Dakine's wool-blend socks breathe and move sweat away from your skin for all-day comfort in your boots. The soft, pill-resistant knit features nylon and spandex for a long-wearing durability and a lasting fit. They feature reinforced heels and toes with cushioning in all the right places. The Summit is a medium thickness sock. Features: 52% Merino wool, 22% Acrylic, 24% Nylon, 2% Spandex Blended face yarn for insulation and wicking, with abrasion resistance Nylon/Spandex blended lining yarn for comfort, abrasion resistance, and strength Nylon reinforced heel, toe, and extended foot zones for durability Instep, ankle, and upper cuff compression zones Medium cushioning in foot bed, and upper SKU: 1586374 Dakine Womens Summit Ski/Snowboard Socks - Nightsky