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The Osprey Berm 4 Hydration Pack is a trail-ready sipping companion with a sleek, low profile fit that won't get in the way when you're working hard. A 2.5L reservoir keeps you hydrated through the climbs, and a zippered front pocket provides enough space for tools and snacks. Grab it and go.
Main – bluesign® approved 100% recycled 300D polyester, DWR treatments made without PFAS.
Lining – bluesign® approved, 100% recycled 70D nylon, DWR treatment made without PFAS
Backpanel & Hipbelt Mesh – bluesign® approved, 100% recycled polyester
15.4" x 7.5" x 5.5" / 39 x 19 x 14 cm
Reservoir Included – Enjoy hydration at your fingertips with a magnetic bite valve attachment and easy-fill, S-zip access to the included Hydraulics™ LS 2.5L Reservoir.
Magnetic Sternum Strap Bite Valve Attachment
Zippered Front Pocket with Key Clip
AirScape Backpanel – Mesh covered ridged foam allows maximum ventilation while keeping the load close to the body.
Blinker Light Attachment
Reflective Details for Safety