These Tech X boots offer one-of-a-kind comfort and style Leather vamp and shaft Laser-etched barbed wire pattern on the shaft 85% recycled foam Blend85 footbed Oil and slip-resistant rubber outsole CellStretch Comfort Technology responds by activating more than 100 individual pressure points of cloud-like comfort in the heel and ball of the foot Nylon/glass fiber shank Approximately 1 inch block heel Integrated spur shelf Single stitched storm welt Taped interior seams Twisted X Men's 12 Inch Tech X Boot Brown & Squash