Osprey Seral 4 Lumbar Pack

With 4 liters of carrying capacity, the Osprey Seral 4 Lumbar Pack is the optimal size for the vast majority of mountain bike rides. Equipped with a 1.5L hydration reservoir, a big zippered main compartment with internal organization for bike tools, and Osprey’s beloved AirScape lumbar backpanel for ergonomic comfort and ventilation, the Seral 4 Lumbar Pack is just what you need to focus more on the trail and less on combating sweaty back syndrome.

Main
–
bluesign® approved 600D recycled PET polyester, PFC-free DWR

Accent
–
bluesign® approved 400D high-tenacity nylon, PFC-free DWR

Bottom
–
bluesign® approved 400D recycled high-tenacity nylon, PFC-free DWR

Dimensions

7.5" H x 12.5" W x 4.5" D

Pockets

Large Zippered Main Compartment with Reservoir Sleeve

Main Compartment Tool Organization

Internal Zippered Pocket

Features

Blinker Light Attachment with Reflective Graphic

Magnetic Hipbelt Bite Valve Attachment

Included Osprey Hydraulics 1.5L Lumbar Reservoir by Hydrapak

AirScape Lumbar Backpanel
–
Extra thick ridged foam with center air channel for excellent ventilation.

Airmesh Wrap Hipbelt
–
Airmesh wrap hipbelt with zippered fabric pockets provide stability and breathability.

ErgoPull Waist Strap Closure System
–
Allows for proper snug and stable fit.

Specs

• Material:
  Recycled Nylon, Recycled Polyester

• Biking Type:
  Mountain

  More

  Biking Type

  Mountain
  Mountain bikes are built for tackling rough terrain with frames made of durable materials like aluminum or carbon fiber, ensuring stability and maneuverability. They feature suspension to absorb impacts from rocks, roots, and drops, providing a smoother ride.

• Hydration Compatible:
  Yes

• Bag Volume (L):
  4

• Warranty:
  Limited Lifetime

Other Notes

Osprey products can only be shipped within the United States and Canada