Details Maybe your feet are unique snowflakes, but Darn Tough has learned that all feet revel in the same thing: comfort, energy, and Darn Tough support. Give them what they want and need with the Darn Tough Snowflake Over-The-Calf Light ski and snowboard sock. Material Merino Wool: The ultimate fiber for breathability and comfort in all conditions. 57% Merino Wool 41% Nylon 2% Lycra® Spandex Length Over the Calf Height: The name says it all. The ultimate height for keeping the outside - out. Details Performance Fit: No slipping, no bunching, and no blisters. Fine Gauge Knitting: Unprecedented durability and Darn Tough's unique "put it on, forget it's on" feel. Fast Action Wicking: Pulls moisture away from skin. Fast drying. All Weather Performance: Cool in the summer, warm in the winter. Naturally Antimicrobial: Repels bacteria and odor. Guaranteed For Life: No strings. No conditions. For life. True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel. Weight Light: Built light, darn comfy and super strong - substantial construction for a lightweight, sure fit. Darn Tough Snowflake Over-The-Calf Light Ski and Snowboard Sock Women's