Hydraulics 3L Res Plasma the FREEFLEX maintains its form

the FREEFLEX maintains its form and fit through extended wear

Ample storage capacity

the TowNStow BarCart is one of the most highly engineered and versatile products we've ever produced

and many organic compounds from filtered water for the best taste possible

Hydraulics 3L Res Plasma the FREEFLEX maintains its formOsprey's Hydraulics 3L Reservoir by Hydrapak is ideal for large volume packs and long duration activities. The HydroStatic backerplate provides structure for easy loading into a full pack and maintains a flat profile. Thoughtful design makes filling, cleaning and most importantly staying hydrated on the trail easier than ever. All parts are BPA free, phthalate free, lead free, guaranteed. All materials are certified food safe according to FDA and EU