Isotex waterproof footwear - seam sealed with internal membrane bootee liner. Hydropel water resistant technology. Enclosed hardwear for reduced trip hazard. Abrasion toe and heel bumpers. EVA comfort footbed. Stabilising shank technology - (sizes 13 (Euro 32 ) and above). Internal EVA Pocket for underfoot comfort and reduced weight. New rubber outsole with self cleaning properties, angled lugs for propulsion, braking and larger heel grip to spread impact.