Meet the Bison Wool Trail Sock: Ready for Anything You&';ve heard the saying-don&';t skimp on things that connect you to the earth. We&';d add socks to that list, which is why we designed the Bison Wool Trail Sock. Built to handle all four seasons, this sock delivers all-day comfort with advanced construction and natural performance features. Whether you&';re hiking through rugged terrain or just taking on your day, the Bison Wool Trail Sock has you covered with its temperature-regulating, moisture-wicking design. Why It&';s a Must-Have Reinforced sole, heel, and toe for added durability Ribbed compression on cuffs and ankle for a secure fit Lightweight and versatile for year-round comfort Naturally regulates temperature and wicks away moisture to keep you dry and comfortable Flat toe seam to prevent irritation Made sustainably in North America Materials: 52% Wool, 34% Nylon, 13% Bison, 1% Spandex Small/Medium fits women&';s 6-9, men&';s 5-8 Medium/Large fits women&';s 10-12, men&';s 9-13