Air mesh main section construction is layered with highly breathable materials for superior ventilation, Boot main section has PU over-injected soft reinforcements, Full-grain leather on medial panel for comfort and durability, Strategically positioned perforation zones on front and rear full-grain leather accordion flex sections, Waterproof, breathable Gore-Tex? XCR membrane, Microfiber with technical texture and shift pad for protection and durability, Medial side entry opening/closure zipper system with wide hook-and-loop closure, Hook-and-loop tab locks the zipper pull closed to keep it flat and secured, Internal toe box protection layered under the boot upper layer for improved feel and performance, Seamlessly integrated molded shin protector affords exceptional impact protection, Internal heel and toe counters for enhanced structural integrity, Injected PU shifter area ensures high levels of comfort and durability, Rear reflective insert for improved nighttime visibility, Removable anatomic footbed includes EVA and stretch fabric for comfort and support, Rubber compound sole provides optimal grip and comfort, Contoured, injected high-modulus polyamide midsole prevents excessive deformation of the boot during an impact yet maintains high levels of comfort