Waterproof and breathable membraneEnhanced performance from the technical full bootie membrane - offers waterproof capability and enhanced performanceRemovable dual density EVA footbed with additional forefoot and heel pads - for added shock absorption and includes an antibacterial top layerExclusive rubber outsole design featuring aggressive pattern designed - for constant mud clearance offering great grip and performanceFull length gusseted shaft - eases entry and removal of bootsYKK zip - easily opens or secures gusset closedLeather behind zip - keeps water/mud/debris outZip is further protected by a leather flap and secured by popper and buckle - for smooth operation and to keep zip clear of dirtScratch rubber rand - helps protect leathers in areas of high absorptionUpper:Waterproof 2.2mm full grain leather, full length YKK zip with internal gusset and external cover. Scratch rubber rand.Lining: Full 1.0mm calf leather lining with highly waterproof/breathable membrane bootieMidsole: Phylon - for added cushioned comfortFootbed: Dual density EVA footbed with forefoot and heel pads for added shock absorptionWeight: 1090g