6" Mechanic Tan Waterproof Leather. Ortholite insole. Waterproof full bootie construction. Vibram Commander outsole, resistant to heat, oil, chipping, chemicals, and slipping, providing stability and durability. Nano composite toe rated ASTM F2413-11. Electrical hazard rated ASTM F2413-11, I75, C75. Puncture-resisting technology.