An 4.8gal hydration pack backpack designed to carry your essentials comfortably on active days out.Planning a long ride or hike often means choosing between carrying water and traveling light. Squeezing extra layers and snacks into awkward jacket pockets quickly becomes frustrating when you just want to focus on the route.Why is this hydration pack backpack so popular? Ample capacity: An 4.8gal main compartment provides plenty of room for extra clothing and trail snacks. Stable fit: Adjustable waist and chest straps help secure the load to reduce bouncing during rigorous movement. Weather adaptable: A stowable rain cover offers a quick solution when encountering sudden showers on a hike. Accessible storage: Zippered waist belt pockets mean you can reach small essentials without taking the bag off. Specifications Capacity: 4.8gal Primary material: High-density nylon Secondary material: Breathable mesh fabric Weather resistance: Built-in rain cover Visibility: Integrated reflective strips Storage compartments: Main compartment, upper lined pocket, side mesh pockets External storage: Front bungee cord system Carrying system: Adjustable shoulder, chest, and waist straps Hardware: Zipper closures and clip buckles Colors: Black, Blue, Orange, Navy Blue, Green Dimensions: 11 x 5.5 x 18 in