The Men's Prime Waterproof CellStretch® Work Boot was made for all day comfort. Handcrafted in full-grain leather, this boot features a waterproof interior lining to keep your feet dry. For stability and durability, Twisted X® has combined a compression-molded sugar cane molasses EVA midsole with integrated Twisted X® CellStretch® comfort technology and a nylon/glass fiber shank.