Waterproof full grain leather upper; Double stretch gore for easy on and off; Protective and abrasion resistant rubber toe cap; Breathable mesh lining; Mesh footbed cover; Cleansport NXT treated for natural odor control; ComfortBase removable contoured footbed cradles your foot in all day comfort; Molded nylon arch shank; Merrell Air Cushion in the heel absorbs shock and adds stability; Lightweight EVA foam midsole for stability and comfort; Slip and oil resistant durable rubber outsole; Mark II tested