This ultralight and waterproof backpack has all the features needed for a water-filled adventure. The SealLine Black Canyon Boundary Dry Pack ($110) it features a watertight Dry Seal roll-top closure, along with a heavy-duty, 30-ounce scrim-reinforced vinyl bottom, 19-ounce scrim-reinforced vinyl body, and radio-frequency-welded seams and attachments to create a waterproof seal. Other features include a removable padded harness, sternum strap and hipbelt, and corrosion-proof, impact-resistant thermoplastic buckles, clips, nylon D-rings.
