Upper made of mesh and TPU Lace closure in traditional style Tongue with bellows to keep debris out Protecting toe covering Breathable lining made of mesh Kinetic Fit BASE insole that can be taken out and has a contoured shape for flexible support Arch shank made of molded nylon Merrell Air Cushion in the heel for shock absorption and stability Featherweight EVA foam midsole for stability and comfort Rubber sole made of Vibram TC5+