Non-wicking mesh and TPU upper; 100% recycled laces and webbing; Bellows tongue keeps out debris; 100% recycled breathable mesh lining and mesh footbed cover; Cleansport NXT treated for natural odor control; COMFORTBASE removable contoured footbed cradles your foot in all day comfort; Rock plate for protection; Merrell Air Cushion in the heel absorbs shock and adds stability; Lightweight EVA foam midsole for stability and comfort; Vibram TC5+ outsole provides exceptional traction for outdoor multi-sport activities