J.B. Field's® Men's & Women's Alpine Ski and Snow II Merino/Coolmax® Ski Sock's unique composition of Merino Wool and Coolmax wicks away moisture, helping to prevent blisters while keeping feet warm and dry. The knee-high length, extra padding on the shins, and ankle flex zone all make it ideal for skiing and snowboarding. Soft and durable Coolmax®, Merino Wool, Nylon and Acrylic stretch knit Shin guard for superior comfort and protection X-Hi Cushion: Full Terry Cushion Reinforced heel and toe Arch and ankle support Machine wash warm, wash inside out, do not bleach, tumble dry low Made proudly in Toronto, Canada Size Chart: Medium fits Men's 4-8 Shoe / Women's 5-9 Shoe Large fits Men's 8-12 Shoe / Women's 10-13 Shoe Product Features: Fabric:38% Coolmax, 26% Merino Wool, 22% Nylon, 10% Acrylic, 4% Lycra Spandex J.B. Field's Men's & Women's Alpine Ski and Snow II Merino/Coolmax Ski Sock