Compression socks for travel: How they work and more

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How compression socks can help when traveling

More than 300 million people travel on long‑distance flights each year. And anyone traveling for more than four hours — whether by air, car, bus or train — can be at risk for developing a blood clot. This is because people are sitting still in a tight space for long periods of time.

The longer someone stays immobile, the higher their risk of developing a blood clot called a deep vein thrombosis (DVT), which forms in the deep leg veins.

Symptoms of DVT may include:

• Pain or tenderness that shows up without an obvious reason
• Skin that looks red and feels warm to the touch
• Swelling, pain or tenderness (most often in the leg)

Compression socks are an option that can help lower someone’s chances of developing blood clots and DVT while traveling. They work by applying graduated pressure to the legs. This pressure is tightest at the ankle and gradually decreases up the leg. The gentle squeezing is supposed to help move blood upward instead of letting it pool in the legs.

As a result, compression socks can help improve blood flow and reduce leg swelling. But like any change related to health, it’s a good idea for people to talk with a health care provider before buying and using compression socks.

What makes someone more likely to develop blood clots while traveling?

The risk of developing a blood clot during travel is generally very low, even for people who take long trips. In fact, several medical societies do not recommend compression stockings for long-distance travelers who aren’t at an increased risk of developing blood clots.

That said, the level of risk can increase depending on how long the travel lasts and whether someone already has a higher risk for blood clots. Most people who develop travel-related blood clots have one or more additional risk factors such as:

• Active cancer or recent cancer treatment
• Being on certain birth control pills, patches, rings or other contraceptives
• Being over age 40
• Being overweight or living with obesity
• Having a catheter placed in a large vein
• Having had a blood clot before, or having a family history of blood clots
• Hormone replacement therapy
• Inherited condition that affects blood clotting
• Limited mobility, such as being in a leg cast or not being able to move around easily
• Ongoing heart or lung conditions or diabetes
• Pregnancy and the postpartum period (up to 3 months after childbirth)
• Recent surgery or a serious injury within the past three months
• Varicose veins

Having one or more of these risk factors, combined with long-distance travel, can increase people’s chances of developing a blood clot. And the more risk factors someone has, the higher that risk becomes.

Compression socks options

Compression socks come in a wide range of styles, lengths and pressure levels. The options below highlight some compression socks to try, based on comfort, fit, durability and overall performance. Use these products only as advised by a health care provider and for the duration they recommend. If any pain or discomfort occurs, stop using the compression socks and contact a health care provider.

Light pressure compression socks

Moderate pressure compression socks

Firm pressure compression socks

How should compression socks feel?

Because recommendations can vary, people should talk with a health care provider to find out which pressure level is right for them. In general, compression socks should feel snug but comfortable. Most of the pressure should be felt around the ankles, with the pressure gradually easing higher up the legs. If someone’s compression stockings feel uncomfortable or painful, they should contact their health care provider. Health care providers may be able to recommend a different type or fit that works better.

How do people put on compression socks?

Some compression socks instructions recommend that stockings be put on first thing in the morning, before getting out of bed, when leg swelling is at its lowest. Always follow instructions on the product packaging.

• The top of the stocking should be held and gently rolled down to the heel.
• The foot should be placed into the stocking as far as possible, making sure the heel fits into the heel pocket.
• The stocking should then be pulled up and unrolled slowly over the leg.
• Once the top is in place, any wrinkles should be smoothed out.
• Stockings should not be allowed to bunch up or fold.
• Knee-length stockings should sit about two finger widths below the bend of the knee.

Key takeaways

For some travelers, a good pair of compression socks might end up being a quiet MVP. They may help reduce the chances of getting a blood clot and make long trips feel more manageable. They can help improve blood flow and ease swelling and leg fatigue that can come from hours of sitting. There’s no shortage of good options, from low‑key everyday styles to medical‑grade compression, so it’s easy to find a pair that fits someone’s needs and travel plans.