Two Pairs Together For Use In Low Mountains Or Even As An Everyday Sock. Specifications:- Content: 69% Recoverwool, 17% Red-Cycled Nylon, 14% Stretch Nylon With Lycra®Technology:Recover Wool:- Recover Wool Yarn Is Made From Recycled Postindustrial Wool And Recycled Polyester. The Combination Of This Two Yarns Offers A Superb Balance Between Thermoregulation And Sweat Management. Compare prices from: Lorpen in Men's Underwear