Osprey Seral 4 with Reservoir Size:O/S Thickness: 1

Thickness: 1

and a breathable mesh back panel and hip wings for adults

Small items that need to be accessed quickly can be stored in the hip pocket or in the map compartment

For the town

Size (closed):  42 × 20 cm

Osprey Seral 4 with Reservoir Size:O/S Thickness: 1For riders looking for a low profile lumbar pack with integrated hydration, 4 liter Seral is the perfect trail companion. This slim waist pack features the next gen 1. 5 liter Hydraulics reservoir with high strength magnetic coupling for improved hose management even in rough terrain and enough storage capacity for ride essentials, such as a spare tube, CO2 and multi tool and, of course, snacks. KEY ATTRIBUTES: LUMBAR CARRY For riders who prefer off