This Waterproof backpack/rucksack (20L) is especially made for water sports. It protects your belongings from water splashes, sprays and even brief immersion. The backpack has attachment straps to connect it to your Kayak or Stand Up Paddle Board. There's a A4 size pocket on the inside and a small zipped pocket for smaller belongings such as a wallet. The backpack is comfortable to wear and has foam padded shoulder straps.
