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Seral 4
New
Unisex Biking
Unisex 4L biking waist pack with Hydraulics reservoir
Free delivery on orders over £50 
All Mighty Guarantee Included 
All Mighty Guarantee Included
All Mighty Guarantee Included
At Osprey we only design and build high-quality products. That’s why all our products are covered under our All Mighty Guarantee.
BITE ME.
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.
Weight: 0.4KG
Dimensions (CM): 19H x 32W x 11.5D
Fabric bluesign® approved 100% recycled 600D PET packcloth, DWR treatments made without PFAS
Weight: 0.4 kg
Dimensions (CM): 19H x 32W x 11.5D
Fabric: bluesign® approved 100% recycled 600D PET packcloth, DWR treatments made without PFAS
Volume: 4L
Litre: 4L
Features
• 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 organisation and internal zippered pocket
• Blinker light attachment with reflective graphic
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