The Men's Work 8' Lace-Up Waterproof Toe Boot in durable full-grain oiled leather features Twisted X patent-pending CellStretch comfort technology, ensuring that every step you take is backed by superior comfort. For stability and durability, we've combined a compression-molded EVA midsole with the integrated CellStretch tech and a nylon/glass fiber shank. We've even enhanced the outsole to provide additional slip resistance in both water and oil. Twisted X Work footwear provides all the comfort, stability, and durability that you need to outperform any demanding work environment.