FEATURES Nylon ripstop upper Stratafuse exoskeleton provides a glove-like fit for extremely lightweight support Traditional lace closure Bellows tongue keeps debris out 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 Merrell mountain-grade Quantum grip rubber outsole Vegan-friendly 5mm lug depth