Features Enter your model number to make sure this fits. 17-liter capacity plus a 2-liter hydration reservoir Antidote® reservoir features an easy-open cap, a lightweight fill port, dryer arms, center baffling, a Big BiteÂTM Valve, HydroGuard technology and a PureFlowÂTM tube to help you stay hydrated Organizer pocket and 2 mesh side pockets help keep essentials close at hand 3-point compression straps help keep your load stable Made of fixed diamond mesh with a SliderÂTM sternum strap Description Product Description With multiple storage options and an Air Channel back panel for comfort, the CamelBak Cloud Walker 18 Hiking Pack features a 17-liter cargo capacity. The 2-liter Antidote Reservoir features an easy-open cap, a Big Bite Valve, HydroGuard technology and a PureFlow tube to help you stay hydrated. The 3-point compression straps help keep your load stable.Product Features: Moisture-wicking mesh pods help you stay dryMain compartment is accessed via asymmetrical zippers to prevent your cargo from spilling out when fully openAir Channel back panel provides center-channel ventilationIntegrated lashing points for attaching extra cargo and gearProduct Specification: Material: Fixed diamond meshProduct weight: 1.31 lb.Product depth: 9.5 in.Capacity: 2 liters (reservoir), 17 liters (cargo)Product width: 12.63 in.Manufacturer warranty - general: Lifetime limitedStrap/handle: 3-point compression strapProduct height: 19.25 in.Product Information: CamelBak Cloud Walker 18 Hiking PackColor: Red Dark 03