NRS Work Boot Neoprene Kayak Shoes - High-grade, heavy-duty, or top of the line - whatever you want to call these boots, they are the best working river shoes on the market today. Used by river professionals, adventure racers, rescue agencies, and military units, you can count on Work Boots no matter what the conditions. Premium materials have been combined with outstanding craftsmanship and exceptional design. You won't find a better working shoe for daily river running. These are the boots professionals use to ensure protection. The heavy-duty lugged traction sole keeps you on your feet in varied terrain. Lace-up synthetic leather and 5mm neoprene upper provide warmth and unmatched ankle support. A plastic 2 mm midsole shim delivers sturdy protection from sharp rocks, and the 7 mm insole absorbs the shock of every step. These boots are self-draining, quick-drying, and, of course, they float.