The Ortlieb Messenger rucksack is a High visibility, compact rucksack that doubles as daily carry bag & 100% waterproof commuter pack. The Ortlieb Messenger style rucksack is so versatile that its a favorite with students all over the world, featuring a removable interior pocket with zipper for small items like phone or wallet, 24 litres of space can accommodates an A4 folder. Easy to carry using the handle or shoulder straps the additional waist strap helps secure your bag whilst cycling. A super comfortable robust foam back keep you comfortable & helps the air to circulate for a cooler ride or brisk walking, the bottom of your bag is protected by abrasion protectors at corners & bottom feet. All of our Ortlieb products come with an incredible 5 Year Warranty!