Our Women's Apres Ultra-Lightweight Over-the-Calf Ski and Snowboard Sock is the perfect choice to keep your feet toasty and warm without sacrificing performance on the mountain! Engineered with PeakHeat technology and made with a blend of Merino wool and Eco Thermolite®, these socks provide superior insulation to keep your feet toasty all day long. Experience the ultimate winter comfort and performance with these ultra-lightweight socks! Women's-specific fit tailored for narrow feet. URFit® Memory Knit provides arch support and prevents sagging or bunching. Wick Dry® Technology minimizes moisture buildup, reducing hot spots and blisters. THERMOLITE® EcoMade is a lightweight recycled fiber that delivers warmth, breathability, and moisture-wicking performance. Anatomical Fit ensures a left/right specific design for optimal comfort. Ultra-Lightweight Knit for high-intensity activities with minimal cushioning, maximum breathability, and a barely-there feel. Flat Knit Cushion provides ultra-lightweight comfort. 42% Nylon, 33% Merino Wool, 21% Thermolite® EcoMade Polyester, 2% Polyester, 2% Spandex Style #5530