As adaptable as the reptile it's inspired by, this waterproof leather pack hiker FEATURES protection, stability, and ultra-lightweight construction.• GORE-TEX® waterproof membrane, exceptional breathability and waterproof performance • Waterproof nubuck leather upper • Traditional lace closure• Bellows tongue keeps debris out• Protective rubber rand and toe cap• External rear sling locks in the heel• Kinetic Fit™ BASE removable contoured insole for flexible support• Merrell Air Cushion in the heel absorbs shock and adds stability• EVA foam midsole for stability and comfort• Lightweight FlexPlate™ technology provide torsional rigidity• Vibram® XS Trek Evo• Flex Index grade 2• 5mm lug depth Features/Technologies GORE-TEX®, GORE-TEX®, Vibram® XS Trek Evo, Vibram® XS Trek Evo, FlexPlate™, FlexPlate™