Mesh and TPU upper Traditional lace closure Bellows tongue keeps out debris Protective toe cap Breathable mesh lining Kinetic Fit BASE removable contoured insole for flexible support Molded nylon arch shank Merrell Air Cushion in the heel absorbs shock and adds stability Lightweight EVA foam midsole for stability and comfort Vibram TC5+ rubber sole Block Heel Lace-Up closure Rubber sole material Moab 3 Edge Breathable,Lightweight