When your work day heats up, keep cool in the Muck Boots® Men's Chore Cool 16'' steel toe work boots. Built with abrasion-resistant Spandura, 4mm Neoprene and four-way stretch nylon, as well as reinforced toe and feel areas, these boots offer equal parts flexibility and durability. The Chore Cool features an XpressCool™ liner that wicks sweat and stays breathable up to 95°F. Vibram® outsoles offer dependable traction.