Fishpond makes some of the most well thought out and strongest waterproof bags. Incredibly well designed and with all the right features. Fishpond Thunderhead submersible backpack is 100% waterproof and stays waterproof even if you pull it underwater. This version has a heavy duty waterproof zipper for the main compartment

The bag is 28 L large.

• A set of gear straps (included) that can be placed on the left or right side, allowing the bag to be worn over either shoulder
• TPU coated recycled nylon Fully waterproof TIZIP zip closure on main compartment
• Water-resistant zipper closure on front pocket Lightweight foam shoulder strap, hip belt and molded back panel The hip belt is removable and can also be adjusted vertically to different lengths
• Coated webbing daisy chain and D-ring on the front panel for various accessory attachments.
• Coated webbing pull tab for opening TIZIP Interior organization with a zippered pocket and a clear stash pocket for small gear
• Compatible with many Fishpond chest packs with modular buckles on shoulder straps and hip belt Coated handle on webbing