Designed specifically for riding using a warming, breathable and moisture wicking knit fabric to provide comfort inside Alpinestars boots. The sole of the socks is combined with Nostatex fibers to dissipate heat evenly throughout the sole to provide overall comfort Warm and breathable moisture wicking knit fabric Nostatex® , silver yarn, sole for wicking moisture away from skin and giving a non-odor layer which 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 ultimate coverage and comfort