The Endeavour 20L Backpack is ideal for day trips, walks or active use. Hydration compatible, with an air flow back system and chest straps for improved comfort, a pack away rain cover and convenient multiple pockets including a bottom compartment with a separate opening. Chest/Sternum Strap - Offers support for your back by helping to distribute weight and balance your packCompressions Straps - Used to reduce the bulk of the rucksack. Hip Belt - Distributes weight evenly around the hips with extra padding for added comfortHydration Compatible - a compartment specifically for a hydration pack. A hydration bladder is not includedKey Clip - Never lose your keys again with this handy clip inside the pocketRain Cover - Found in a concealed pocket usually at the bottom, the rain cover folds out to protect your rucksack from the rainAir Flow Back System - Tension suspended mesh back that allows air to flow freely between your back and your rucksack to keep your back cool and dryLots Of Pockets - Multiple pockets to keep valuables safeCapacity - Holds up to 20 litres