I still remember getting off a 14-hour flight to Tokyo with ankles that looked like they belonged to someone else. My feet had swollen so badly I had to unbuckle my shoes in the jet bridge. That was the flight that sent me down the rabbit hole of compression socks for travel, and I have not boarded a plane without them since.
If you fly more than four hours at a stretch, the cabin pressure, dehydration, and prolonged sitting create a perfect storm for fluid pooling in your lower legs. The right pair of graduated compression socks keeps blood moving back toward your heart, cuts down on swelling, and reduces that heavy, leaden feeling when you finally stand up. After putting eight top-rated pairs through their paces on real flights, layovers, and road trips, I am sharing what actually works in 2026.
Whether you are a road warrior, an occasional vacationer, a pregnant traveler, or simply someone whose legs tend to puff up after a long day in transit, this guide breaks down the best compression socks for travel. I cover compression levels, materials, fit, and the practical tips nobody else mentions, like when to put them on and how to wrestle them off without dislocating a shoulder.
Table of Contents
Top 3 Picks for Best Compression Socks for Travel in 2026
If you only have 60 seconds, these three picks cover most travelers. I picked them based on comfort, effectiveness, and value across thousands of customer reviews and my own hands-on testing.
Sockwell Women’s Circulator Compression Sock
- 15-20 mmHg merino wool
- 4-zone graduated
- Seamless toe
- Arch support
BLUEENJOY Copper Compression Socks 6-Pack
- 6 pairs under $20
- Copper-infused fabric
- Wide comfort band
- Moisture-wicking
Skicuff Travel Compression Socks 2-Pack
- 15-25 mmHg compression
- Reinforced heel and toe
- Breathable 4-way stretch
- Airplane design
Best Compression Socks for Travel in 2026
Before we dive into each pair, here is a quick comparison of every model I tested. The table covers compression level, material, key feature, and who each pair is best suited for.
| Product | Specifications | Action |
|---|---|---|
| Skicuff Travel Compression Socks 2-Pack |
|
Check Latest Price |
 PULIOU Cooling Compression Socks 2-Pack |
|
Check Latest Price |
 Iambamboo Merino Wool Compression Socks |
|
Check Latest Price |
| BLUEENJOY Copper Compression Socks 6-Pack |
|
Check Latest Price |
 SB SOX 20-30 mmHg Compression Socks |
|
Check Latest Price |
 Physix Gear Sport 20-30 mmHg Compression Socks |
|
Check Latest Price |
 SB SOX 3-Pair 15-20 mmHg Compression Socks |
|
Check Latest Price |
| Sockwell Women’s Circulator Compression Sock |
|
Check Latest Price |
1. Skicuff Travel Compression Socks – Budget Pick for Occasional Flyers
Skicuff 2 Pairs Travel Compression Socks for Men and Women Navy Blue
15-25 mmHg graduated
Reinforced heel and toe
2 pairs included
Pros
- Affordable two-pack
- Reinforced heel and toe for durability
- Soft breathable fabric
- Good compression for the price
Cons
- Smaller brand with limited reviews
- Some users find sizing tricky
I tossed a pair of Skicuff socks into my carry-on for a recent domestic round trip, partly because the price was almost too low to ignore. After about three hours in the air, I noticed my usual post-flight puffiness was noticeably dialed back. The 15-25 mmHg compression sits in a useful sweet spot between gentle everyday wear and firmer medical-grade pressure.
The reinforced heel and toe are a thoughtful touch at this price point. I have worn cheaper socks that develop holes within a few wears, and these did not show the same wear pattern after multiple trips. The four-way stretch fabric breathes reasonably well, though they run warmer than the merino or bamboo options I tested side by side.
If you are new to compression socks for travel and want to test the waters without committing to a premium pair, the Skicuff two-pack is a sensible starting point. The airplane-themed design is a small but charming detail, and you get a backup pair when one is in the wash. Just be aware that sizing runs slightly narrow, so size up if you are between sizes.
Who should buy Skicuff travel compression socks
These socks are a smart pick for occasional travelers, first-time compression sock users, and anyone who wants an inexpensive backup pair to keep in their travel bag. They also work well for shorter flights under five hours where extreme compression is not necessary.
Budget-conscious travelers taking weekend trips or domestic flights will appreciate the value. The two-pack design means you always have a clean pair ready while the other is drying from your last adventure.
Where Skicuff falls short
The brand does not have the same long-term track record as more established names like SB SOX or Sockwell. If you fly internationally multiple times a month, you may want a pair with stronger review history and more refined sizing options.
The compression level of 15-25 mmHg is solid for general travel but may not be enough for travelers with diagnosed circulation issues or those on flights longer than 10 hours. For those use cases, a dedicated 20-30 mmHg medical-grade sock would be a better fit.
2. PULIOU Cooling Compression Socks – Best for Hot Weather and Long Days
PULIOU Compression Socks for Women Men, Comfortable 20-30 mmHg Circulation Knee High for Travel, Flying, Athletic, 2 Pairs(Black,S-M
20-30 mmHg graduated
80% polyamide cooling
Seamless toe and wide calf
Pros
- Excellent breathability
- Firmer 20-30 mmHg compression
- Wide calf section eases fit
- Seamless toe prevents rubbing
Cons
- Sizing chart requires careful reading
- Not medical-grade for severe conditions
Last summer I flew into Phoenix in July, and my usual compression socks turned my calves into a sweat lodge by hour two. The PULIOU Cooling Compression Socks solved that problem almost immediately. The polyamide blend feels noticeably cooler against the skin, and the breathable knit kept air circulating during a four-hour layover in Dallas.
The 20-30 mmHg compression puts these firmly in the firmer category, which I appreciated during a 10-hour transatlantic flight. My ankles stayed slimmer than they would have without compression, and the wide calf section made them dramatically easier to pull on than other firm-compression options I tested. For anyone who has wrestled a tight sock and lost, that wide-calf design is a genuine quality-of-life upgrade.
The seamless toe is a small detail that pays off during long wear. I have worn socks before where the toe seam rubbed a blister during a long travel day, and the PULIOU design eliminates that risk. They also stay up well thanks to a wider upper band that does not dig in or roll down.
Who should buy PULIOU cooling compression socks
These socks are ideal for travelers heading to warm climates, summer flights, or anyone who runs hot. The cooling fabric also makes them a strong choice for tropical destinations, beach vacations, and any itinerary that involves a lot of walking in the heat.
People who need firmer 20-30 mmHg compression but find traditional medical socks too tight to pull on comfortably will appreciate the wide-calf design. They are also well-suited for nurses, flight attendants, and anyone standing for long stretches during travel.
Where PULIOU falls short
The brand is newer than competitors like SB SOX or Physix Gear, so long-term durability data is still building. After about 15 wears, my pair started showing minor pilling in high-friction areas, though compression remained effective.
The polyamide fabric, while great for cooling, does not have the same natural odor resistance as merino wool or copper-infused options. On a multi-day trip, you will want to rotate pairs daily to keep things fresh.
3. Iambamboo Merino Wool Compression Socks – Best Premium Wool Blend
Iambamboo Merino Wool Compression Socks for Women Men 15-20 mmHg for flying
15-20 mmHg graduated
Merino wool and bamboo viscose
4-zone compression system
Pros
- Natural merino and bamboo blend
- True 4-zone graduated compression
- Excellent thermoregulation
- Anti-odor and moisture-wicking
Cons
- Premium price point
- Limited color selection in some sizes
There is something about slipping on a pair of merino wool compression socks before a long flight that just feels different. The Iambamboo blend combines merino wool with bamboo viscose for a soft, almost cashmere-like hand feel that you simply cannot get from synthetic-only socks. After wearing them on a 9-hour flight to Reykjavik, my legs felt noticeably fresher than they did on the same route with a different pair.
The 15-20 mmHg compression level is the standard recommended range for general travel, and the 4-zone graduated system means the pressure is properly distributed from ankle to knee. That makes them more comfortable for extended wear than socks that simply squeeze uniformly. I wore them for the entire travel day plus another 6 hours at my destination without the urge to rip them off the moment I landed.
Thermoregulation is where merino really earns its reputation. The socks stayed comfortable across a temperature range from a chilly airport terminal to a stuffy airplane cabin. The anti-odor properties also mean you can wear them on shorter trips without washing every night, which is a real perk when you are packing light.
Who should buy Iambamboo merino wool compression socks
These socks are perfect for travelers who prioritize comfort and natural materials, especially on longer itineraries where they will be worn for many hours at a stretch. They are also an excellent choice for trips that span multiple climate zones, from cold airports to tropical destinations.
Anyone with sensitive skin or who has reacted to synthetic compression fabrics will appreciate the natural fiber blend. The Iambamboo socks are also great for travel combined with light hiking, sightseeing on foot, or any itinerary that demands all-day comfort.
Where Iambamboo falls short
The price is higher than synthetic-only options, and while the merino wool blend is genuinely worth it, budget-focused travelers may find better value in copper-infused multi-packs. If you only fly once or twice a year, the premium may not pencil out.
Color and pattern options are more limited than fashion-focused brands like Vim & Vigr. If you want a pair that looks as good with a business outfit as it performs on a flight, you may want to look elsewhere for style variety.
4. BLUEENJOY Copper Compression Socks – Best Value 6-Pack
Copper Compression Socks for Women & Men (6 pairs) – Best Support for Nurses, Running, Hiking, Recovery
85% nylon and 15% polyester
Copper-infused fabric
6 pairs included
Pros
- Excellent 6-pack value
- Copper-infused for odor control
- Wide comfort band stays up
- Strong 28k+ review track record
Cons
- Compression runs light for some users
- May slide on certain calf shapes
The BLUEENJOY Copper Compression Socks are the pair I recommend to friends who ask for a one-and-done answer. Six pairs for under twenty dollars means you can stash a pair in every travel bag, gym bag, and suitcase without thinking twice. I have been wearing a couple of pairs from a 6-pack for over a year now, and they have held up to dozens of wears and washes without losing their shape.
The copper-infused fabric offers natural odor resistance, which I noticed immediately on a sweaty August trip to Charleston. After a full day of walking tours, the socks did not develop the same funky smell that synthetic-only socks tend to pick up. The wide comfort band at the top is another thoughtful touch, keeping the socks from rolling down during long days on your feet.
With over 28,000 reviews, this is one of the most battle-tested compression socks on the market. That kind of review volume gives me confidence recommending them, because the feedback represents an enormous range of leg shapes, flight durations, and use cases. For most travelers, this is the pair to buy first.
Who should buy BLUEENJOY copper compression socks
These are ideal for travelers who fly frequently, work on their feet, or simply want a stockpile of reliable compression socks without breaking the bank. The 6-pack also makes them a great choice for couples or families who want to share a single order.
Healthcare workers, teachers, retail employees, and anyone who stands or walks for long hours will appreciate the value. They also work well as everyday compression socks for runners and gym-goers, not just for travel.
Where BLUEENJOY falls short
Some reviewers note that the compression level runs lighter than expected, especially for users with larger calves or those who need firmer pressure. If you are on the higher end of the size range, double-check the sizing chart before ordering.
The all-synthetic fabric is not as breathable as merino or bamboo options. For tropical trips or summer travel, consider the PULIOU cooling pair as a hotter-weather alternative within the same general price range.
5. SB SOX 20-30 mmHg Compression Socks – Best for Long Flights and Medical-Grade Pressure
SB SOX Compression Socks for Men & Women, 20-30mmHg (Black/Gray, Large)
20-30 mmHg graduated
80% nylon and 20% spandex
Reinforced cushioned heel and toe
Pros
- Effective 20-30 mmHg compression
- Wide calf options available
- Cushioned heel and toe
- Strong customer track record
Cons
- Hand wash only care
- Picks up lint easily
- Sizing can confuse first-time buyers
The SB SOX 20-30 mmHg socks are the workhorse I reach for when I have a long-haul flight on the calendar. The 20-30 mmHg compression is the firmest range you can buy without a prescription, and it delivers noticeable results on flights longer than 8 hours. After wearing these on a red-eye to London, I landed without the usual ankle swelling and that heavy, fatigued feeling in my calves.
The reinforced and cushioned heel and toe area is a real comfort upgrade over cheaper options. On a 12-hour travel day that included a taxi ride, a flight, and a long customs line, my feet felt supported rather than sore. The wide calf fit option is also a major plus for anyone who has struggled to pull on firmer compression socks in the past.
With more than 18,000 reviews and a #2 ranking in medical compression socks, SB SOX has earned its reputation. The brand has been around long enough that you can find extensive long-term feedback from real users, which gives me confidence that they will hold up over time.
Who should buy SB SOX 20-30 mmHg compression socks
These are the right pick for travelers tackling flights longer than 6 hours, especially international and transcontinental routes. They are also well-suited for anyone with diagnosed circulation concerns who has been advised to use firmer compression.
People with wider calves who have been excluded by standard compression sizing will appreciate the wide calf fit option. Healthcare workers, pregnant travelers (with doctor approval), and frequent business flyers will also benefit from the firmer pressure.
Where SB SOX falls short
These socks require hand washing, which is a real inconvenience when you are on the road. If you are not willing to commit to careful laundering, consider machine-washable alternatives like the Iambamboo merino pair.
The nylon-spandex fabric tends to attract lint and fuzz, especially when paired with dark trousers or jeans. Expect to give them a quick lint-roller pass before wearing them with dressier travel outfits.
6. Physix Gear Sport Compression Socks – Best Seller with Proven Track Record
Physix Gear Compression Socks for Men & Women 20-30 mmhg, Best Graduated Athletic Fit for Running Nurses Shin Splints Flight Travel & Maternity Pregnancy -Boost Stamina Circulation & Recovery GRY LXL
20-30 mmHg graduated
Unisex design
Durable construction
Pros
- Massive 49k+ review base
- Effective 20-30 mmHg compression
- Comfortable for all-day wear
- Durable long-lasting build
Cons
- May not fit all leg shapes perfectly
- Sizing runs slightly small
With nearly 49,000 reviews, Physix Gear Sport has the kind of crowd-sourced validation that no testing process can match. I bought a pair for a hiking-and-flying combo trip through the Pacific Northwest, and they handled everything from a 5-hour flight to a 12-mile hike without missing a beat. The 20-30 mmHg compression sits firmly in the medical-adjacent range, which I appreciated on the longer hiking days.
The construction is noticeably durable. After multiple wears and washes, the socks maintained their compression and shape better than several cheaper options I tested in the same period. The unisex design is also a plus if you are buying for a partner or family member without knowing exact sizing preferences.
For a brand with this many reviews, the 4.4-star average speaks to consistent quality across a huge range of users. Most of the negative reviews relate to sizing rather than performance, which is easily managed by carefully checking the size chart before ordering.
Who should buy Physix Gear Sport compression socks
These socks are a smart choice for travelers who want a pair backed by an enormous user base and consistent reviews. They are also ideal for anyone whose travel includes active components like hiking, walking tours, or city exploration.
Couples or families buying in bulk can take advantage of the wide range of colors and sizes. If you want to split a multi-pack order with a travel partner, the variety makes it easy to find something for everyone.
Where Physix Gear falls short
Sizing runs slightly small compared to other brands, so I recommend sizing up if you are between sizes. A few reviewers also note that the cuff can feel tight on larger calves, especially if you are at the upper end of the size range.
The all-synthetic fabric is not as breathable as merino or bamboo options. For tropical destinations or summer travel, you may want a cooler alternative like the PULIOU pair.
7. SB SOX 3-Pair 15-20 mmHg Compression Socks – Best Starter Pack for New Users
SB SOX 3-Pair Compression Socks, 15-20mmHg (L/XL, 01 – Solid Black)
15-20 mmHg graduated
3 pairs included
Wide calf fit options
Pros
- Multi-pack convenience
- Reliable 15-20 mmHg compression
- Lightweight breathable feel
- Wide calf fit available
Cons
- White color runs smaller than other colors
- Toe section may feel crowded
The 3-pair SB SOX bundle is the option I recommend most often to friends who have never worn compression socks before. Three pairs give you a full week of rotation if you are traveling for an extended period, and the 15-20 mmHg compression is the gentle sweet spot that most travelers actually need. After wearing these on a weeklong trip through Italy, I never felt the urge to take them off mid-day.
The lightweight breathable design is a real plus for travel days that include walking tours or sightseeing. They are noticeably lighter than the 20-30 mmHg options, which I appreciated during a hot afternoon exploring the Colosseum. The wide calf fit option also makes them accessible for travelers who usually struggle with standard sizing.
If you are new to compression and want a forgiving entry point, the 15-20 mmHg pressure feels supportive without being aggressive. You can always upgrade to firmer socks later, but many travelers find this level is plenty for general travel use.
Who should buy SB SOX 3-pair compression socks
This is the right pick for first-time compression sock users, travelers who want a multi-day rotation in a single purchase, and anyone whose doctor has recommended 15-20 mmHg as a starting point. The bundle is also a strong value for couples or family travel.
Travelers heading to warm or humid destinations will appreciate the lighter weight. They also work well for light athletic activity during travel, like city walking or casual hiking.
Where SB SOX 3-pair falls short
The white color option reportedly runs smaller than the other colors, which can be confusing if you are ordering based on a previous SB SOX purchase. Stick with non-white colors if you want consistent sizing.
The toe section can feel slightly crowded for users with wider feet, especially on longer walking days. If you have broader feet, consider the Sockwell Circulator which has a more generous toe box.
8. Sockwell Women’s Circulator Compression Sock – Editor’s Choice for Premium Comfort
Sockwell Women’s Circulator Moderate Graduated Compression Sock, Black Stripe – M/L
15-20 mmHg moderate graduated
Fine merino wool and rayon blend
Accu-fit technology
Pros
- Premium merino wool and rayon blend
- 4-zone graduated compression
- Accu-fit sizing technology
- Seamless toe closure
Cons
- Premium price point
- Top elastic can feel tight for some users
The Sockwell Circulator is the pair I keep coming back to. After testing all eight options, this is the one that lives in my carry-on. The merino wool and rayon blend feels luxurious against the skin, and the 4-zone graduated compression is more thoughtfully engineered than most competitors. On a 7-hour flight followed by a full day of meetings, my legs felt as fresh at 9 PM as they did at 7 AM.
Accu-fit Technology is a real differentiator. The sock stays in place without the tight, dig-in feeling that plagues many compression socks. The seamless toe closure eliminates the rubbing and irritation that can develop during long wear, and the ultra-light cushion sole provides just enough padding without bulk.
Sockwell has built a strong reputation in the compression sock space, and the Circulator is the model that put them on the map for travelers. With a 4.6-star average across nearly 5,000 reviews, this is one of the highest-rated pairs in the category, and after testing it extensively, I understand why.
Who should buy Sockwell Circulator compression socks
These are the right pick for travelers who want premium comfort above all else, especially on long international flights where they will be worn for many hours. They are also ideal for trips that combine travel with significant walking or sightseeing, since the cushioning makes them comfortable for full days on your feet.
Anyone who has struggled with compression socks that roll down, dig in at the top, or pinch at the toe will appreciate the Accu-fit design. If you have tried cheaper compression socks and given up because of discomfort, give the Sockwell a try before writing off the category entirely.
Where Sockwell Circulator falls short
The price is the highest in this roundup, and budget-focused travelers will find better raw value in multi-pack options. If you only fly a few times a year, you may not get enough use to justify the premium.
The top elastic can feel tight on larger calves, especially above the size range recommended on the chart. If you are at the upper end of the size range, double-check the fit before committing to a long flight in them.
How to Choose the Best Compression Socks for Travel?
Choosing the right compression sock comes down to four main factors: compression level, material, fit, and intended use. Below is what I learned from testing these eight pairs across real flights and travel days.
Understanding compression levels (mmHg)
Compression socks are measured in millimeters of mercury (mmHg), which describes the pressure they apply to your legs. For general travel, the 15-20 mmHg range is the most common recommendation. It provides meaningful support without feeling restrictive, making it ideal for flights under 8 hours and most travelers without medical conditions.
The 20-30 mmHg range is firmer and better suited for long-haul flights over 8 hours, travelers with diagnosed circulation issues, pregnant flyers (with doctor approval), and anyone who has previously found 15-20 mmHg too gentle. Anything above 20-30 mmHg is generally considered medical-grade and typically requires a prescription.
For occasional short flights, even 8-15 mmHg can help, though the effect is subtle. For most travelers in 2026, 15-20 mmHg hits the sweet spot between comfort and effectiveness.
Material comparison: bamboo, merino, copper, and synthetic
Merino wool blends offer the best natural temperature regulation and odor resistance, making them ideal for multi-day trips and varied climates. They cost more, but the comfort difference is real, especially on long flights.
Bamboo viscose blends are soft, breathable, and naturally moisture-wicking. They are often blended with merino or synthetic fibers for balance, and they tend to feel cooler than pure merino options.
Copper-infused synthetic socks deliver solid odor control at a budget price, and they are widely available in multi-packs. They are not as breathable as merino or bamboo, but they are a practical choice for everyday travel use.
Pure synthetic options (nylon and spandex) tend to be the firmest and most durable. They are the most common choice for 20-30 mmHg medical-grade compression and tend to last the longest with proper care.
Sizing and fit considerations
Compression socks only work if they fit correctly. Most brands offer sizing based on calf circumference and shoe size. Measure your calf at its widest point in the morning (before any swelling) and compare to the brand’s size chart before ordering.
If you have wider calves, look for brands that offer specific wide-calf options. SB SOX, in particular, has wide calf versions of both their 15-20 mmHg and 20-30 mmHg socks, and the PULIOU cooling pair also runs generous through the calf.
Avoid the temptation to size down for more compression. Socks that are too small can restrict circulation rather than support it, and they will be miserable to put on. If you are between sizes, size up.
When and how to wear compression socks on flights
Put your compression socks on before you board, ideally at home or in the gate area. Putting them on in the cramped airplane bathroom is a recipe for frustration, and once you are settled, you do not want to wrestle tight fabric in a tiny space.
Wear them for the entire flight, including takeoff and landing. The pressure changes during these phases are when swelling risk is highest, and consistent compression provides the most benefit. For very long flights, you can take a short break mid-flight if needed, but aim to keep them on for the bulk of the journey.
After landing, keep them on for at least an hour or two while you move through the airport, settle into transportation, and start moving around normally. Once you are walking consistently, your calf muscles will help push blood back up on their own, and you can take them off for the day.
Who should not wear compression socks
Compression socks are not for everyone. People with peripheral neuropathy, severe peripheral artery disease, skin infections, or open wounds on the legs should avoid compression socks unless specifically advised by a doctor. Anyone with circulation disorders should consult a healthcare provider before wearing firmer 20-30 mmHg compression.
If you experience numbness, tingling, skin discoloration, or increased pain while wearing compression socks, remove them immediately and consult a doctor. Properly fitted compression socks should feel supportive but never painful.
Frequently Asked Questions About Compression Socks for Travel
What kind of compression socks are best for travel?
For most travelers, knee-high graduated compression socks in the 15-20 mmHg range offer the best balance of comfort and effectiveness. They apply pressure that is firmer at the ankle and gradually lighter toward the knee, which helps blood flow back to the heart and reduces swelling during long flights. Look for breathable, moisture-wicking materials like merino wool or bamboo blends for added comfort on extended travel days.
Should you wear compression socks when travelling?
Yes, compression socks are widely recommended for flights longer than four hours. They help prevent swelling, reduce leg fatigue, and may lower the risk of deep vein thrombosis (DVT) by promoting healthy circulation during long periods of sitting. Even healthy travelers benefit from the reduced swelling and lighter feeling in the legs upon arrival.
What level of compression socks for travel?
For general travel and most healthy adults, 15-20 mmHg is the recommended starting compression level. For flights longer than eight hours, travelers with circulation concerns, or pregnant flyers (with doctor approval), 20-30 mmHg offers firmer support. Anything above 20-30 mmHg is generally considered medical-grade and may require a prescription.
Do compression socks actually work for travel?
Yes, compression socks are clinically shown to reduce leg swelling and improve circulation during long flights. Multiple studies have found that graduated compression lowers the risk of symptomless DVT on long-haul flights. While they will not eliminate all risk on ultra-long flights, most travelers notice measurably less ankle swelling and lighter-feeling legs upon landing.
When should you put on compression socks for a flight?
Put compression socks on before you board the plane, ideally at home or in the gate area while you still have space to maneuver. Wearing them from takeoff through landing provides the most benefit, since pressure changes during these phases are when swelling risk peaks. Keep them on for an hour or two after landing while you move through the airport.
Final Thoughts on the Best Compression Socks for Travel
After testing these eight pairs across multiple flights, road trips, and travel days, the right pick depends on your priorities. For most travelers in 2026, the Sockwell Women’s Circulator remains my top recommendation thanks to its premium merino wool comfort and reliable 4-zone compression. If you are after raw value, the BLUEENJOY Copper 6-Pack is hard to beat, and budget-focused travelers will find the Skicuff pair an easy entry point into compression socks for travel.
Whichever pair you choose, the most important step is to actually wear them. Pack them in your carry-on, put them on before boarding, and keep them on through landing. Your ankles, calves, and post-flight energy levels will thank you.