FITS F2019 Liner Crew Sock (Unisex) - Black Size:Medium (M) and roomy toe box

and roomy toe box

ENCAP midsole and Rollbar system

Upper: wool felt

The flexible PU material with its smooth surface is water- and dirt-resistant

FITS F2019 Liner Crew Sock (Unisex) - Black Size:Medium (M) and roomy toe boxNothing 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