Additional discount

For 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-the-back hydration carry and the minimalism provided by a lumbar pack.

RIDE STABILITY
Our bike-specific, angled hipbelt and compression straps provide stability and comfort with a close-to-body fit.

RESERVOIR INCLUDED
A dedicated hydration compartment stores an included Hydraulics LT 1.5 L Lumbar Reservoir for short to medium rides and compresses for stable carry.

SUSTAINABLE DESIGN
bluesign approved main body and bottom fabrics GRS-certified 100% recycled main body and bottom fabrics All DWR treatments made without PFAS BPA-free reservoir

FEATURES:

AirScape backpanel with contouring lumbar wrap provides maximum stability
Large zippered main compartment with reservoir sleeve
Included Osprey Hydraulics 1.5 L Lumbar Reservoir with strong magnetic hipbelt bite valve attachment.
Main compartment tool organization and internal zippered pocket
Blinker light attachment with reflective graphic

Your New Favorite Go-To