Osprey Hydraulics LT 2.5 Litre Hydration Reservoir 241 grams There’s also a built-in back

There’s also a built-in back pocket for a hydration reservoir that routes through the shoulder harness to prevent freezing

Air compresses out

Dries 30% faster than untreated down

8 grams it’s easy to pack for every trip

Osprey Hydraulics LT 2.5 Litre Hydration Reservoir 241 grams There’s also a built-in backThe next generation of reservoir is here. Redesigned from tip to tail, the lightweight 2. 5 liter Hydraulics LT reservoir features innovative and ergonomic improvements that make it easier to carry, fill, load and use whether you're buzzing around town, travelling or hitting the trails. This version gets dual baffles, keeping the reservoir as light as possible while still offering improved control and structure and works best with internal reservoir