Reservoir not included .We Continue To Perfect Our Best-Selling Pack Series, The Atmos And Aura Ag Series.Providing Outstanding Ventilation And Fit For Modern Backpacking Trips Of Any Distance Or Duration And Featuring Anti-Gravity Technology - A Continuous Backpanel Of Lightweight Mesh - That Wraps The User In Supreme Comfort.Features:- Fit-On-The-Fly™ Adjustable Hipbelt And Harness - Floating Lid With Dual Zippered Pockets - Dual Large Side-Access Zips - Antigravity™ Backsystem With Cam-Lock Adjustment - Twin Zippered Hipbelt Pockets Specifications:- Backsystem:Antigravity™ Backsystem With Cam-Lock Adjustment - Materials:210d Nylon Honey Comb Contrast Recycled - Size:2.02kg.