The Acton Hardrock Flex 10" miner boot, certified CSA M, features the Metatech System Flex, a unique flexible metatarsal protector that shields the top and sides of the foot while maintaining all-day comfort. Built with a lightweight composite toe, a Vibram TC4+ slip-resistant outsole, and a waterproof membrane, it delivers superior grip and keeps your feet dry in the toughest work environments. Its fire-resistant Nomex stitching adds crucial thermal protection, making this boot a reliable choice for demanding mining and industrial settings where durability and safety are non-negotiable.