From Billabong

Waterproof and roomie, the Surftrek Storm Surf Backpack is a key piece of your surf kit. The roll-top design has a designated wet/dry compartment with an interior pocket, an external mesh pocket for your water bottle, and tons of technical details including a bungee system and gear hooks to keep your essentials close at hand. Featured here in the Military colorway.

• Product type: Backpack with roll-top main Wet/Dry compartment, dual side waterproof tarpaulin fabric, welded seams, dual buckle closure, two-way air valve
• Additional Features: Side mesh water bottle pocket, side non-waterproof pocket, interior water resistant pocket, external bungee-compression system, external hypalon gear loops, airmesh padded shoulder straps with removable sternum strap and whistle buckle, screen print logos
• Dimensions: 28.75in(H) X 12.5in(W) X 8.5in(D)
• Volume: 40Liters
• Fabric: PVC
• Materials 100% Polyvinylchloride