Off-the-shelf sleeves typically come in two pressure levels, expressed in millimeters of mercury (mm Hg): Class 1 sleeves: exert 20 to 30 mmHg of pressure Class 2 sleeves: exert 30 to 40 mmHg of ...
The brand knits its gender-neutral socks out of organic cotton and a touch of nylon on old knitting machines, a process that gives them a level of quality not often seen for the low price.