Osprey Seral 4

Description

This is a lumbar pack so it sits on your hips without any shoulder straps. The back panel has extra thick ridged foam with a central air channel and the straps themselves use an airmesh fabric to further assist with ventilation and breathability.

Materials: Bluesign approved, PFC-free and DWR coated 900 x 600D Polyester main with a 400HD Nylon bottom.

Hydration bladder capacity / Bladder style / Valve style: The Seral includes a quality 1.5L Hydrapak reservoir with a Blaster bite valve for a strong flow of fluids with every sip. The hose magnet allows you to quickly secure the hose.