osprey hydraulics reservoir 2 lt Size:ONE SIZE dry™—our engineered waterproof/breathable/windproof solution

dry™—our engineered waterproof/breathable/windproof solution

the seams are waterproof sealed

Raglan sleeves for comfort when wearing a backpack

We invented the category of water-protective thermal fabrics

The waterproof

osprey hydraulics reservoir 2 lt Size:ONE SIZE dry™—our engineered waterproof/breathable/windproof solutionProviding maximum levels of stability and ease of use, the Osprey Hydraulics reservoir is essential for keeping hydrated on your outdoor adventures. The unique combination of the pour shield and Slide Seal top opening allows you to easily fill and empty the reservoir, whilst enabling complete access for cleaning after use. Our unique Osprey Hydraulics anatomically shaped back plate provides stability and creates a flat profile to ensure the reservoir