Merino wool provides warmth when its cold and cooling when its hot Contoured Compression Fit supports every hill and valley of your foot Fiber First moisture-wicking fibers are sculpted into breathable designs Pursuit socks are engineered to prouce a soft, no-itch feel throughout Double-cuff construction provides extra support when cycling/running Blister-Free Dry Perfromance reduces the chance of chafing Linked-Toe technology prevents bunching or voids in the toebox Specs Best Use:   Running, Trail Running, Hiking, Biking Material:   67% Merino Wool / 29% Nylon / 4% Spandex Cushioning:   Ultralight Compression:   Moderate Height:    Quarter Crew Gender:  Unisex