Alpinestars Men's MX PLUS-1 Socks, Black/Cyan, Large: Automotive. Dryarn fibers for excellent moisture-wicking and breathability. . Elasticated cuff prevents slippage and reduces material bunching. . Arch and calf support bands for improved performance fit and comfort. . Density cushioning on heel, toe, insole and Achilles area for comfort and durability. . Knee length sizing for maximum coverage. . Designed to be worn with Alpinestars range of Off-Road boots, the MX Plus-1 Socks feature a mesh construction for high levels of breathability with reinforced zones for enhanced rider comfort, on and off the bike. . . .