Best Overall
SB SOX Compression Socks 20-30mmHg
Key details
- Care
- Hand wash only
- Sizing
- Calf circumference plus shoe size
- Material
- 80% nylon, 20% spandex
- Compression Level
- 20-30 mmHg
Compression socks are sized by your leg, not your shoe, and this is the pair here that spells it out. The chart asks for calf circumference in inches alongside men's and women's shoe sizes, then tells you to go up a size when your feet run ahead of your calf. That's the detail we kept returning to, because a 20-30 mmHg sock that's too small at the top rolls down somewhere over the Atlantic, and one that's too big at the ankle doesn't do much of anything.
That fit chart is why these are our default for a long flight. The gradient is a stated 20-30 mmHg, firm enough to be worth pulling on before a nine-hour leg, and the sock is classified as a medical compression garment rather than athletic kit. The 80% nylon, 20% spandex knit has a cushioned heel and toe, and the toe seam sits flat enough that we stopped noticing it under a shoe.
Firm compression means a firm pull. These take a proper grip at the heel and a slow roll up the calf, and a plane aisle is the wrong place to learn that. Put them on at home before you leave for the airport, wear them through security, and the squeeze becomes the easy part of the day rather than a task at 30,000 feet.
Where it stops: if you want a sock you can yank on half-asleep or wear with shorts around a resort, this isn't the one. It's purpose-built kit that's happiest doing exactly one job, and it does that job better than anything else on this list.
Pros
- Sizing chart uses calf plus shoe size
- Stated 20-30 mmHg gradient
- Cushioned heel and toe
- Classified as a medical compression garment
Cons
- Hand wash only
Our pick for long-haul flights: a stated 20-30 mmHg gradient sized by calf circumference and shoe size, so the squeeze lands where it should.