NRS Clearwater Mesh Back PFDProduct Details The NRS Clearwater Mesh Back PFD is our foundational front entry jacket with high back flotation to accommodate most kayak seats and low back mesh for warm weather ventilation. 400 denier nylon fabric construction ensures durability through seasons of wear and tear. The high back design fits comfortably against most high back kayaking seats and the mesh lower allows for ventilation on warm days. Two large zippered pockets, a lashtab,