The lightweight, waterproof Scarpa ZG Trek GTX provides optimum cushioning and support while retaining a tough outsole to provide versatility and comfort so you can travel fast on your hikes. The ZG Trek GTX features: Water-resistant suede leather upper Flex-Point : a special upper design over the flex area that allows for natural angle variation between your foot and leg while walking Ergonomic Autofit padded collar made from elastic fabric for perfect ankle wrapping Speed lacing system for quick and easy lace adjustment 3D TPU toe cap for ultimate protection GORE-TEX Performance Comfort lining for durable waterproofing in all kinds of outdoor activites (even the most adverse weather conditions) Double-density PU midsole for optimum cushioning Comfort-Flex Plus insole with a compressed felt upper coating Vibram Salix/XS Trek outsole with pronounced lugs for great grip across all terrain Heel Tension support system that lends lateral stability to your feet ACTIVimpact technology that absorbs negative impacts with the ground to increase shock absorption. Choose the SCARPA ZG Trek GTX for a super-boot that can handle all terrains in all weather, for as long as you can.