Built with an injected molded construction, the FLXPoint Ultra lace up waterproof work boot is a flexible work boot packed with comfort features. The salt resistant leather upper on this durable work boot is equipped with a waterproof membrane and lined in a breathable moisture-wicking material. Inside is our Comfort Core Next Gen footbed, a removable memory foam insole with individual shock absorbing comfort core pillars and air flow channels to keep your feet cool. The foundation of this non metallic work boot consists of a fiberglass shank for arch support, a Pu midsole, a 3-pronged Tpu shank for extended multi-directional support and a Tpu outsole. It meets Astm F2892 electrical hazard standards for soft toe safety boots. If you need a waterproof defined heel work boot with flexibility and comfort, try the Georgia Boot FLXPoint Ultra collection..