These 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 durability and a lasting fit. They feature reinforced heels and toes with extra cushioning in all the right places. The Summit is our medium thickness model. Features: 2 Year Limited Warranty Medium weight Wool blend face yarn provides warmth and wicks away moisture Nylon/Spandex blend for comfort, abrasion resistance and strength Reinforced heel, toe, and arch for durability Instep, ankle, and upper cuff compression zones Medium cushioning in foot bed, and upper S/M = UK 6.5-8.5 M/L = UK 8.5-12 SKU: 1561869 Dakine Summit Ski Snowboard Sock