Osprey Hydraulics 3L Bladder Size:3L The stable upper and sole

The stable upper and sole design delivers good performance and optimal comfort

whether you're working hard or hardly working

it should be completely dried out after use in wet conditions

Stainless steel screws to reduce corrosion

Osprey Hydraulics 3L Bladder Size:3L The stable upper and soleOspreys 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