Merrell's best-selling trail shoe is reimagined to blend clean athletic design with functional running comfort to support an array of end-use capabilities. Waterproof membrane seals out water and lets moisture escape. FloatProâ„¢ Foam midsole for lightweight comfort that lasts. Merrell Quantum Gripâ„¢ durable rubber outsole that enables confidence in the most extreme trail environments. Breathable engineered mesh and TPU upper with Waterproof membrane to seal out water and let moisture escape. 100% recycled laces, breathable mesh lining, and 50% recycled mesh footbed cover. 50% recycled EVA foam removable footbed for added cushioning. 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.