NRS built the burly Boundary Shoes with knee-height, seam-taped neoprene to give you total water protection when coming ashore or making a burly portage. Beefy 7mm rubber soles give you excellent grip on slick rocks and the bottom of your boat. Whether you prefer taking on rivers in a canoe or ocean waters in a kayak, the NRS Boundary Shoes give you the protection you need for your most demanding trips.