Purpose-built for mucky put-ins and soggy portages, the NRS Boundary Boots deliver knee-high waterproofness with a super grippy, rugged sole to handle the harsh terrain favored by adventure canoeists and anglers.5 mm neoprene upper with taped interior seams guarantees warmth and dry feet.Comfy 7 mm neoprene insole atop a high-traction wrap-up sole provides maximum protection and support.2 mm plastic shim for even more protection from sharp, pointy objects.Tightening the ladder buckle strap at the top can help restrict water entry if you step in a bit too deep.Quick-lace boot with cord-lock offers a customizable fit and a storage compartment lets you tuck away excess laces.Each shoe is factory tested to ensure waterproof performance.