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.