Body and webbing are made of sturdy 100% recycled nylon; back panel, shoulder straps and lining are made of 100% recycled polyester Bag is watertight up to the roll-top closure and designed to keep out water through prolonged exposure to the elements Hydrophobic back panel and shoulder straps do not absorb or retain water Internal organizer pocket separates small items from the main compartment contents and can be transferred to external lash points when quick access is critical Left- or right-handed net scabbard is integrated into the back panel for easy, out-of-the-way net stowage with either hand Compatible with our Convertible Vest, allowing for interference-free access to essentials while on the water; pack volume is 40 liters Made in a Fair Trade Certified(TM) factory, which means the people who made this product earned a premium for their labor Specifications Weight: 41.27 ounces FabricBody: 14.4-oz 800-denier 100% recycled nylon plain weave with a PU face coating and a TPU back coating. Lining: 3-oz 200-denier 100% recycled polyester plain weave with a PU coating. Shoulder straps and back panel: 4.5-oz 100% recycled polyester hydrophobic monomesh. Webbing: 100% recycled nylon. Body and shoulder strap/back panel fabrics are certified as bluesignA(R) approved. Made in a Fair Trade Certified(TM) factory