Merrell Antora 4 Trail Running Shoes Womens. Merrell Antora 4 Running Shoes. FLOATPRO FOAM™ footbed for enhanced cushioning and energy return Cleansport NXT™ treated for natural odor control FLEXconnect® dual-directional flex-grooves in the midsole for enhanced ground connection FloatPro™ Foam midsole for lightweight comfort that lasts Merrell Quantum Grip™ durable rubber outsole that enables confidence in the most extreme trail environments 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. Product Code: ANTORA4-