The Merrell Altalight Waterproof hiker shoes are their lightest weight hiking style yet and has a vegan-friendly construction. These hiking shoes will keep you sure-footed and agile on every step of the trail in both good and wet weather. Waterproof nylon ripstop upper with tear-resistant protection. M Select DRY BARRIER offers excellent waterproof protection that seals out the wet elements, while letting moisture escape to keep you dry. Stratafuse exoskeleton provides a glove-like fit for extremely lightweight support. Traditional lace-up style for a secure fit. Bellows tongue keeps debris out. Removable Kinetic Fit BASE contoured insole provides flexible support and underfoot comfort. Merrell Air Cushion in the heel absorbs shock and adds stability. Cushioned EVA foam midsole for stability and comfort. Mountain-grade Quantum Grip rubber outsole for excellent grip on rugged terrain. Lug depth: 5 mm. Imported. Measurements: Weight: 12.4 oz Product measurements were taken using size 8.5, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.