Classic Explorer Waterproof Backpack - 30 Litres OB1145 they fold down to almost

they fold down to almost nothing when not in use

The updated OverBoard 130 Litre Classic Waterproof Duffel features improved padded reflective backpack straps that also double as a versatile shoulder strap

and a pen holder

The OverBoard 30 Litre Original Waterproof Backpack features unique seamless construction and a 3-way roll-top sealing system (top

Classic Explorer Waterproof Backpack - 30 Litres OB1145 they fold down to almostDesigned for rapid submersion, the 30 Litre OverBoard Classic Explorer Waterproof Backpack is 100% waterproof with high frequency welded construction and a roll top design, making it perfect for both water and land based activities. It features a spacious front weatherproof zip pocket for quick access, two large side pockets for water bottles, and a MOLLE system for versatile attachment options. Not sure which 100% Waterproof Backpack to choose? View