Gul Power Slipper Neopren SkoNeoprene shoe that can be worn barefoot or over a drysuit. The Gul Power Slipper Neoprene shoe, made from 3mm neoprene, is perfect for paddling. The sole is designed for comfort against kayak footrests and pedals. The reinforced toe and heel areas provide adequate stability, while the shoe can be tightened around the ankle to ensure a secure fit. This model runs small in sizes. If you are between two sizes, you should choose the larger one.