Upper constructed from a combination of full-grain leather and innovative microfiber for durability and abrasion resistance, Extended front and rear accordion stretch zones for improved flex, control and support, Double-density Thermoplastic polyurethane (TPU) ankle protector disks are layered under the upper and backed by poly-foam padding, Ergonomically contoured shin plate is injected with high-modulus TPU for a high-level impact- and abrasion-resistance, Wide entry aperture for convenience with hook-and-loop upper closure TPR flap to allow broad-ranging calf fit adjustment and support, 3D mesh textile with open cell foam for improved air circulation and comfort, Extended Polyurethane (PU) synthetic gaiter helps seal out excessive water and dirt entry, Soft poly foam reinforcement on ankles and collar for long-lasting comfort and shock absorption, Three buckles closure system with memory, featuring an integrated quick-release/locking system closure, Buckles are injected with high-impact-resistant techno polymer, Internal toe box and heel counter protection is layered under the upper for durability, Leather shift pad for abrasion resistance and structural protection, Polymer insole with integrated steel shank reinforcement for structure and support to the arch area, Exclusive compound rubber sole with high grip, rough terrain design, Outsole is replaceable, Replaceable anatomic footbed for comfort and support ensures even weight distribution