Why We Like The Osprey Seral 4L Hydration Pack

The Osprey Seral 4L Hydration Pack is the perfect companion for mountain bikers who want a compact and lightweight solution to carry their essentials on short- to medium-length rides. Its minimalist design ensures that you can focus on the trail without sacrificing functionality.

Featuring a spacious main compartment, this pack comfortably accommodates a 1.5L hydration reservoir, allowing you to stay hydrated throughout your ride. Additionally, there is ample space to store a multitool and a few snacks, ensuring you have everything you need for the journey.

Designed with mountain biking in mind, the Osprey Seral is made with high-quality and durable materials that are water-resistant and also eco-friendly. This means that not only does it protect your gear from the elements, but it also contributes to a more sustainable environment.

• Bike-specific lumbar pack provides on-the-go hydration
• Made with durable, water-resistant, and recycled materials
• Pack includes a 1.5L, BPA-free Hydraulics lumbar reservoir
• Bite valve attaches to hipbelt magnet for one-hand hydration
• AirScape back panel provides breathable and padded comfort
• Internal zip pocket in main compartment secures small valuables
• Includes a blinker light attachment point (light not included)

Responsible Collection Recycled/Repurposed, bluesign® APPROVED Material 100% recycled, bluesign® APPROVED 600D polyester, PFC-free DWR treatment

bottom 100% recycled, bluesign® APPROVED 400D nylon, PFC-free DWR treatment

Volume 4L (244cu in)

Hydration Compatible yes

Reservoir Included yes, Osprey Hydraulics 1.5L lumbar reservoir

Access top

Pockets 1 internal zippered

Compression side straps

Waist Size 26-50in

Dimensions 7.5 x 12.5 x 4.5in

Claimed Weight 14.9oz

Activity mountai biking, hiking

Manufacturer Warranty lifetime