Reach your next peak with the new Summit sock. Made with soft, cushioned Merino wool, the Summit sock will keep you comfortable no matter what the mountain may throw your way. Lightweight low-profile construction allows for a performance fit and excellent boot feel. Women's fit URfit® System provides arch support and memory-knit construction Reinforced toe and heel add durability and longer sock life Engineered shin and sole cushion for ultimate comfort Smooth, flat comfort toe seam Women's specific fit 62% Merino wool, 34% nylon, 2% polyester, 2% spandex Style# 5521