Combination open mesh and synthetic upper, OMNI-GRIP™ non-marking wet grip outsole with razor siping. Proprietary outsole design, quick drying material, speed lacing, super plush insole, all combines to make a superior product for performance offshore fishing. Lower durometer EVA for the ultimate in comfort and shock absorbency. Antimicrobial treatment for footbed. BLOOD 'N GUTS™ water and stain resistant treatment