The Avenger Black Widow Series Work Boots include safety features like slip resistance, weather resistance, puncture resistance, and electro-hazard protection with a soft or composite toe option.The boots are designed for increased comfort and have a breathable and wicking high-performance mesh lining.These boots have a direct inject PU midsole and a PU outsole.Also featured in these boots is a premium full-grain leather upper with double stitching designed to make the shoe durable and comfortable.Premium full-grain leather upperElectrical Hazard Protection90 Degree Heel for Maximum Stability and RigidityHigh performance mesh liningRemovable PUREcomfort Dual-density PU footbed for extra comfortDirect Inject PU midsole and a PU outsole with a Mark II slip rating of .43Lightweight Composite Safety Toe that meets or exceeds ASTM F2413 safety standards.Closure: Slip OnWaterproof: Yes