New buckle closure system incorporates TPU material which fastens a lateral side from the TPU ratchet to the reverse-action pump New reverse buckle is fixed to a durable dual-density TPU material that allows for a highly personalized fit and lateral ankle protection Replaceable ratchet strap Full-grain leather upper offers comfort and durability Ergonomic last for superior fit and comfort Extensive instep and Achilles accordion flex zones constructed from highly breathable 3D mesh textile Top rear collar made with perforated microfiber for superior comfort Wide entry aperture for convenience with hook-and-loop shin plate closure Rear reflective insert for improved visibility Shin plate with hot-melt backing reinforcement offers support and protection TPU shift pad for improved protection Double density ankle protector on medial side is layered under the upper offers protective performance in key areas Collar lining made with breathable textile Gore-Tex XCR lining for unsurpassed all-weather performance Internal heel counter and toe box area layered under the upper Exclusive rubber compound for the optimal combination of comfort and grip Removable anatomic EVA footbed with Lycra lining on top CE certified to EN 13634:20110