NRS Workboot Wetshoe (CMC)FEATURES Used by river professionals, rescue agencies and Navy SEALS, the NRS Workboot Wetshoe is the hardest working river boot on the market today. When you need a water shoe that works as hard as you do, on and off the water, this is the perfect choice. Whole sizes only (1 2 sizes order one size larger). Women should order one size smaller. Lace up synthetic leather and 5 mm neoprene upper provides warmth, unmatched ankle support and a secure fit.