Hydraulics 3L Res BOYS OUTERWEAR With an all-new rotomolded hull

With an all-new rotomolded hull construction

Experience a higher degree of comfort

no bite" seat and mesh backrest to keep you cool and comfortable

For active cool-weather use without sacrificing warmth

Stainless steel insulated reusable and sized for epic days-our 40 oz Wide Mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot

Hydraulics 3L Res BOYS OUTERWEAR With an all-new rotomolded hullOsprey'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