Alpinestars Thermal Tech Socks , Size: Lg-XL, Size Modifier: 10-13, Gender: Mens/Unisex, Primary Color: White 47034911LXL Warm, breathable moisture-wicking knit fabric Nostatex, silver yarn sole for wicking moisture away from the skin and giving an anti-bacterial, non-odor layer that conducts heat uniformly around the skin surface to reduce hot spots Ribbed design reduces bunching at the heel and ankle and increases riding comfort Knee length design for coverage and comfort