Umpqua Tongass 1800 Waterproof Back Pack Steel Blue Nylon Made in the USA or Imported TPU Welded 420D Nylon waterproof fabric Large, watertight dual-banded roll-top compartment (alternate no-clip roll-top functionality allows easy in-and-out) Smaller, watertight secondary roll-top compartment Coated web tool attachment points on shoulder strap Net D-ring clip