Overboard Waterproof Pro-Vis Backpack Review Liquidathor Gym Totes and bags August 1, 2018November 7, 2018Clothing, Luggage & Travel Gear, Overboard, Shoes & Jewelry 0 Comment Capacity: 20l Dimensions: 43 X 24 X 16.5cm Weight: 0.95kg Introducing the Overboard Pro Vis 20L Waterproof Backpack from Overboard.