Osprey Hydraulics 3 Litre Reservoir color_swatch The shoe’s extreme sensitivity combined

The shoe’s extreme sensitivity combined to high dynamism

66% Polyester COOLMAX ®

and the curve between the sidewalls and base of the bowls harmonises with Sea to Summit spoons and sporks

Ultralight 20 denier rip-stop Nylon provides insulation in colder climates

Adjustable heat output

Osprey Hydraulics 3 Litre Reservoir color_swatch The shoe’s extreme sensitivity combinedThe next generation of reservoir is here. Redesigned from tip to tail, the 3 liter Hydraulics reservoir features innovative and ergonomic improvements that make it easier to carry, fill, load up and use whether you're buzzing around town, travelling or hitting the trails. This version features a lightweight yet sturdy backer plate that helps reduce bending or buckling while loading, making it ideal for internal or external pack hydration sleeves.