Hydraulics 2L Res Size:One Size Plenty of room for a

Plenty of room for a snack lunch

to chopping small trees

Ideal for backpackers looking for additional comfort in a mummy bag but simple to use when car camping and catching z's at any campsite

For added interest

cold-weather

Hydraulics 2L Res Size:One Size Plenty of room for aOsprey's Hydraulics 2L 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