J.B. Field's Quick Dry Coolmax Over the Calf Military Boot Liner Sock (3 Pairs) X-Small 2UNDR™ set out to create

2UNDR™ set out to create a high performance men’s athletic underwear

This sock can help prevent blood clots and mild swelling associated with Deep Vein Thrombosis (DVT)

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50% Acrylic & 22% Merino Wool

Merino Wool for exceptional softness

J.B. Field's Quick Dry Coolmax Over the Calf Military Boot Liner Sock (3 Pairs) X-Small 2UNDR™ set out to createThis is a soft lightweight military boot liner sock designed to keep your feet comfortable in the harshest conditions. Can be used as a skate ski liner worn under a thermal wool sock for added blister protection, freshness, and warmth. Field tested by the military and suitable for activities such as hiking, outdoor work and sports. For a slightly imperfect 2 pack sold under Vagden please click here For a crew length version of these socks with a light