Features and Benefits • Breathable mesh and TPU upper • 100% recycled laces and webbing • Bellows tongue keeps out debris • Molded TPU heel counter for security • 100% recycled breathable mesh lining • 50% recycled removable EVA foam footbed • 100% recycled mesh footbed cover • NXT lined footbed cover to prevent odor • Molded nylon arch shank • Merrell Air Cushion in the heel absorbs shock and adds stability • 10% recycled EVA foam midsole • Merrell mountain-grade Quantum Grip™ rubber outsole Lug: 4mm