Reservoir not included .It´s in the name.- when you need to bring supplies for a big day out, but also want stylish carry that complements your look, reach for the Osprey Arcane Extra Large Day.Enjoy large, J-zip main compartment access and useful organisational pocketing throughout.A direct-zip padded laptop sleeve keeps your computer handy, and the NeoSpacer backpanel means you´ll be comfortable for the entire day.Composition:bluesign® APPROVED, 100% recycled 480D polyester, DWR treatment made without PFAS.