Rubber sole No two days are the same - slip on the Jungle Moc Leather CT SD+ Work Shoe and you're ready for anything. A slip-resistant outsole keeps you safe on the jobsite, ASTM-compliant static dissipative technology, and the premium full-grain leather cleans up for the office. FEATURES 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 Heat resistant outsole protection for brief periods of contact that meet or exceed 500 °F Composite Safety Toe for lightweight protection; rated ASTM F2413-18 I/C Static Dissipative (SD) Protection; meets SD 35 ASTM Standards Lug: 3mm Half pair weight: 1lbs-2.97oz, 538g