Breathable engineered mesh and TPU upper with Waterproof membrane to seal out water and let moisture escape 100% recycled laces, breathable mesh lining, and mesh footbed cover FLOATPRO FOAM footbed for enhanced cushioning and energy return FloatPro Foam midsole for lightweight comfort that lasts, and FLEXconnect dual-directional flex-grooves in the midsole for enhanced ground connection Merrell Quantum Grip durable rubber outsole that enables confidence in the most extreme trail environments