The Twisted X Men's 12" Tech X 1 Boot combines full-grain leather construction with the lightweight Tech X® comfort system — built for all-day wear with serious durability underfoot. Features Full-grain leather vamp and 12" shaft Tech X® lightweight Phylon comfort midsole Durable moulded rubber outsole Air-mesh lined shaft for improved breathability Taped interior seams for added comfort Double-stitched pull holes Removable, moisture-wicking, antibacterial and machine washable moulded footbed Size & Fit Sizes are in US sizing