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Designed to be used as its name suggests: TwentyFourSeven. The versatile use of this technical pack means it can be used up in the hills or in a more urban environment thanks to its multiple pockets and great back system.FeaturesVentilated - meshed back with flow technology to keep your back cool.Personal fit - adjust the straps and chest strap for a perfect fit.Hiker friendly - attach essentials including water bottles and walking poles to the front of the bag for quick and easy access.Capacity: 15L