The NRS Backwater wetshoe is great choice for kayak anglers for wading and moving in and out of the water. High-top, low profile design for warmth and protection Durable 3 mm ToughTexTM neoprene insulation through the instep and front of ankle 3 mm Airprene around the sides and back of ankle for ventilation and breathability Gusset-backed side-entry zipper makes it easy to slip on Anatomically shaped toe box lets your toes move freely Non marking rubber for maximum wet traction 5 mm neoprene insole 2 mm plastic shim Ankle zipper closure