Handcrafted from natural rubber, the Chore Wide Calf adjusts to the unique contours of your foot, making these reliable work boots flexible, 100% waterproof and lightweight. These tough boots feature a rubber overlay and quick cleaning sole, allowing you more time to get on with the important stuff. The upper is reinforced in both the toe and heel area, plus additional arch support giving you the protection you need. The 5mm neoprene makes these boots lightweight and flexible, with breathable air mesh lining to keep you cool on warmer days. 100% Waterproof Steel toe protection and steel shank for structural support Puncture resistant midsole with non-metallic plate for underfoot protection Meets ASTM F2413-18 M/I/C EH / ESR (electric shock resistant) rated outsoles Meets CSA Grade 1 standards 5mm CR Flex-Foam neoprene liner is 100% waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing Breathable mesh lining wicks away humidity and perspiration, allowing air to travel throughout the boot Roll down to feature the high visibility lining Easy to clean rubber overlays Triple rubber toe reinforcement Quadruple rubber heel reinforcement Reinforced arch support Quick cleaning rubber outsole offers durability and traction on slick surfaces Adjustable calf gusset extends up to 3 inches (7 cm) ESR (electric shock resistant) rated outsoles Meets CSA Grade 1 standards