Osprey Seral 4 Bike Hydration Lumbar Pack

★★★★★ 4.4 73 reviews

US$40.00
Price when purchased online
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US$40.00
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 235879430 Release Date 2026/07/09 List Price US$40.00 Model Number 235879430
Category
Hydrate fast and ride light with this compact, stable lumbar-style bike pack featuring an integrated low-profile Hydraulics™ 1.5L LS Reservoir. A magnetic attachment secures the bite valve to the hipbelt, while a bike-specific airmesh wrap hipbelt and close-to-body AirScape™ backpanel deliver breathable, bounce-free comfort. Vertical straps hold a chin guard or extra layer for added versatility.

Features

  • Dual-zip access to main compartment with glove-friendly zipper pulls
  • Included Hydraulics LS 1.5 L Lumbar Reservoir
  • Internal hydration sleeve with hose routing ports and Hydraclip for fast, effective reservoir hanging
  • Magnetic hipbelt bite valve attachment
  • Internal organization and zippered pocket with key clip
  • Front accessory straps secure a chinguard or extra layer, and tuck away when not needed
  • Side compression straps stabilize pack contents
  • Blinker light attachment (light not included)
  • Reflective details for safety

Reservoir Included

Drinking while riding has never been easier with the included Hydraulics™ LS Lumbar 1.5 Reservoir, smart hose routing and a magnetic bite valve attachment.

Rider-Focused Features

Enhance every ride with stabilizing side compression, dual tuckaway front accessory straps designed to secure a chin guard or extra layer, and more.

AirScape™ Backpanel

Pedal with the comfort and stability of a mesh-covered, extra-thick ridged foam backpanel featuring a center airflow channel.

bluesign® PRODUCT

This product meets bluesign® PRODUCT requirements, which means materials and components have been selected that adhere to rigorous third-party environmental and social criteria during production.

AirScape™ Backpanel

Mesh-covered, extra-thick ridged foam with center airflow channel provides comfortable, stable, close-to-body carry Made with 50% recycled EVA foam

Hipbelt

Breathable airmesh wrap hipbelt provides stability on rough terrain Crossbody ErgoPull hipbelt system ensures snug fit for optimal load support
FABRIC

MAIN

bluesign® APPROVED, 100% recycled 300D polyester, DWR treatment made without PFAS

LINING

bluesign® APPROVED, 100% recycled 210D nylon, DWR treatment made without PFAS

MESH

Backpanel & Hipbelt Mesh: bluesign® APPROVED, 100% recycled polyester

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4.4 out of 5
★★★★★
73 ratings | 30 reviews
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