The Boundary Shoe pushes the limits of what a neoprene boot can do; it's a touring, canoeing and portaging dream. When wading is inevitable, you'll appreciate the knee-high, waterproof 5-mm neoprene upper. Comfy 7-mm insole atop a 7-mm rubber sole provides the protection and support you've come to expect from our footwear. 2-mm plastic sh...