Women's Swirlwind Over-the-Calf Lightweight Ski and Snowboard SocksWith Over the Calf performance, comfort, and style, you'll want to get caught in this Swirlwind. Smooth, flexible stretch and multi zone mesh panels enhance breathability while minimizing bulk and pressure points. Soft and Lightweight terry loop cushioning underfoot offers all day warmth, comfort, and support as you carve down the slopes. Material Merino Wool: The ultimate fiber for breathability and comfort in all conditions. 39% Merino Wool, 57%