Full grain leather and breathable mesh upper COMFORTBASEcontoured design footbed with breathable foam cradles your foot in all day comfort COMFORTBASEž¢rubberized EVA midsole for increased shock absorption and cushion Non-metallic lacing hardware Bellows tongue keeps out debris Protective and abrasion resistant rubber toe cap Breathable mesh lining Merrell air cushion in the heel absorbs shock and adds stability Molded nylon arch shank for midfoot support and flexibility Composite safety toe for lightweight non-metallic protection; rated ASTM F2413-18 I/C EH rated ASTM F2413-18 Oil and slip resistant rubber outsole; Mark II tested Merrell M SelectGRIP rubber tunes each outsole with durable traction that grips when and where you need it Heat resistant outsole provides foot protection for brief periods of direct contact that meet or exceed 500 °F 5mm lug depth Weight: 2lb 11oz/1216g