Siskin 12 with Reservoir

Breathable 12L Hydration Pack.

The Osprey Siskin 12 is a low-profile, high-performance pack. With 12 liters of storage and an included 2.5L Hydraulics™ LT reservoir, it delivers streamlined organization and efficient hydration in one trail-ready package.

The AirScape™ backpanel and contoured shoulder straps ensure stable, breathable comfort on technical terrain, while the magnetic bite valve attachment, zippered hip-belt pockets, and internal organization keep your essentials close and secure. Durable and designed to move with you, the Siskin 12 is the perfect companion for the trail.