Single pack strong functional knee socks air channels on back of the leg and cuffs which wick away moisture and prevent the sock from slipping down heels and toes reinforced with wool frotte which keeps in heat and increases durability terry knit fabric on the front of the leg and parts of the foot reduce pressure from boots ski boots thinner knitted parts in coolmax fabric which wicks away moisture ribbing on the ankle for best fit and to prevent wrinkling which causes chafin