Built for hikers of all levels, the Lagos 25L Hydration Pack is great for beginners and seasoned hikers alike. It's designed to carry a hefty load—and to make all that weight feel light on your back. Designed with a variety of pockets and compartments for your gear and a 2.5L reservoir for your H2O. backpack outdoor carryon, personal both, no Description A recycled hydration pack for hiking. Designed for Trail explorations, longer hikes and bike rides Trip Length Day trip Carry on compatibility Personal item Features Ventilated and breathable back panel and waist belt wings Custom 2.5L Hydrapak™ Shape Loc Reservoir included Dedicated reservoir hanger in main hydration compartment Magnetic hydration tube management on left waist belt Exterior stretch mesh bottle pockets Exterior zippered organizer pocket Dimensions 21" x 11" x 9" Weight 2 lb A hydration pack for hiking and mountain biking - with a daisy chain for bike light attachment