Shop Brown Mens Timberland Pro PowerWelt 6 Inch Waterproof 。* Premium waterproof full-grain leather upper with Ever-Guard leather vamp. * Ever-Guard leather is abrasion resistant, waterproof, and heat resistant up to 369 degrees F. * Goodyear Welt Cast-Bond technology for a durable, chemical bond and enhanced torsional stability. * Constructed on the TiTA® last for a superior fit. * Comfort engineered, contoured tongue with center-loaded foam package to relieve lace pressure. * Anatomically contoured insole with integral steel shank for support. * Contoured open-cell polyurethane footbed provides durable, resilient cushioning while molded heel cup cradles the heel for maximum comfort. * Outlast Adaptive Comfort footbed cover regulates temperature. * Underlying aluminized polyester membrane material reflects heat back to the foot. * Steel toe meets I/75 and C/75 impact and compression ASTM F2412-11 and F2413-11 safety standards. * Meets ASTM F2412-11 and ASTM F2413-11 electrical hazard standards to provide secondary underfoot protection against the hazards of stepping on live electrical circuits, electrically energized conductors, parts, or apparatus. * Dual-density polyurethane outsole is lightweight, cushioning, slip-resistant, oil-resistant, and abrasion-resistant that meets ASTM F2913-2019 Non-Slip Testing Standards. Also incorporates the Ladder Lock outsole radius for comfort and confidence on extension ladders.