Hydraulics 3L ultralight water reservoir bladder

Name: Hydraulics 3L ultralight water reservoir bladder
Brand: Osprey

Data updated 2026-08-20

Offering a generous three-liter capacity, this ultralight water reservoir is built for long-distance treks where hydration is critical. Its low-profile design fits comfortably inside your pack without shifting your center of gravity.

The lightweight construction reduces unnecessary pack weight while maintaining exceptional durability against regular trail use. A reliable bite valve and flexible hose provide effortless fluid intake on steep ascents.

Designed for easy maintenance, the reservoir features a wide fill port for quick refills at stream crossings. It is a vital asset for backpackers tackling remote routes requiring extended water storage.

Check price