39% recycled, breathable engineered mesh and TPU upper 100% recycled breathable mesh lining Lightweight FlexPlate technology provides torsional rigidity, lateral stability, and forefoot flexibility. FloatPro Foam midsole for lightweight comfort that lasts Vibram TC5+ outsole provides exceptional traction for outdoor multi-sport activities, formulated exclusively for Merrell and Vibram traction lugs specifically designed to increase traction and shed debris with each step