Roll-top 100% waterproof backpack - Class 3 - IP66. Floats safely if dropped in water. Protects contents from dust, sand, dirt and water. Comfortable and buoyant light-weight straps with ventilation system. Padded shoulder straps and lumbar support Comfortable and buoyant light-weight straps with ventilation system. Adjustable sternum strap. Reflective patches on the front of the bag and both shoulder straps. 3 x D-rings for multiple attachment options. 1 x Large outer elasticated mesh side pocket 100% Waterproof roll top Backpack (Class 3) Floats safely if dropped in water Protect contents from dust, sand, dirt and water! Unique 'High Frequency' welded construction 2 way closure system (top or side) Padded shoulder straps and lumbar support Comfortable back panel with airflow design Elasticated front webbing Super reflective front patch Adjustable sternum strap and waist belt 2 x outer Elasticated side pockets and a top carry handle 1 x large internal zip pocket This 100% Waterproof rolltop backpack is like no other available! Suitable for quick submersion due to it's unique 'High Frequency' fully welded seamless construction, so is ideal for being out in the rain all day, or for even going swimming! With a 2 way closure system and an internal zip pocket, this really is a premium waterproof backpack perfect for all types of sports and activities.