FITS F2019 Liner Crew Sock (Unisex) - Black Size:Medium (M) Upper: wool felt

Upper: wool felt

CARBON FIBER STABILIZER CAP: The base of the insole supports the rearfoot and provides structure and stability to the foam layer

Outsole: Rubber

Its adjustable hook & loop backstrap and padded front strap provide a customized fit and ultimate comfort

Electrical hazard (EH) or Electric Shock Resistant (ESR) footwear provides a secondary source of protection incase accidentally coming into contact with live electrical circuits

FITS F2019 Liner Crew Sock (Unisex) - Black Size:Medium (M) Upper: wool feltNothing provides that extra layer of warmth when you need it most like the Liner sock. This ultra thin sock is made of extra fine Merino wool and wont slip, slide, or bunch. All of the warmth without the bulk. A perfect mate to wear underneath your other FITS for extra warmth. Dynamic Toe Cup contours to the shape of your foot. Heel Lock provides heel security that limits the chances of a blister when combined with a properly fit boot. Double welted