The Filson Dry Sling Pack is Constructed from heavy-duty TPU-coated 840D nylon and the same TIZIP ? zippers used in commercial diving dry suits, the Filson Dry Sling Pack offers full waterproof protection, even when submerged. Teardrop-shaped, with a single extra-wide shoulder strap, it?s made to carry a day?s worth of gear, easily rotating to the front for quick access. Features a padded, breathable back panel and padded shoulder strap, exterior and interior pockets for keeping organized. External D-rings let you attach gear or fishing nets quickly. Side and adjustable-top grab handles let you grab it and go.