FITS F2019 Liner Crew Sock (Unisex) - Black Size:Medium (M) Lace-up style gives a great

Lace-up style gives a great fit for any foot shape

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

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

Let air dry naturally away from direct heat or sun

ENCAP midsole and Rollbar system

FITS F2019 Liner Crew Sock (Unisex) - Black Size:Medium (M) Lace-up style gives a greatNothing 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