What level of compression socks is best for air travel?

What kind of compression socks do I need for flying? Graduated compression socks can help protect your legs while flying by applying gentle pressure that's tightest at the ankle and gradually eases up your leg. Look for socks that are knee-high and offer at least 15 mmHg for maximum benefits.



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The general rule of thumb is that class 1 (18-21 mmHg) stockings are best for healthy veins that just need a bit of extra assistance on a flight, while class 2-4 (23-49+ mmHg) are more suited to those struggling with venous and lymphatic disorders.

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To prevent DVT, pilots and flight attendants should wear flight socks or tights with gradient compression. Wearing compression socks help to relieve fatigue, reduce possible swelling of legs and feet and aid blood circulation.

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One of the most well-known perks of compression socks is how they can help to prevent blood clots, a worry for many when traveling by air. They work to stimulate circulation in the lower half, which is especially useful during long flights when you're sitting for prolonged periods.

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It's suggested that high-risk travelers wear properly fitted, below-knee compression stockings while in flight. Preventive blood thinners or aspirin are not recommended for long-distance travelers.

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