Designed for the most intense mountain bike rides, the Osprey Siskin 8 backpack is a technical marvel that prioritizes comfort. With a volume of 8 liters, it can hold all your essentials without compromising on lightness or stability. Thanks to its BioStretch harness and AirScape™ suspension, it fits perfectly to your body in motion while ensuring excellent ventilation. Everything you need to tackle the most demanding trails with confidence.

Osprey Siskin 8: an 8-liter mountain bike bag designed for performance

The Siskin 8 features a smart design to support cyclists throughout the day:

• Includes a 2.5-liter Osprey Hydraulics™ LT reservoir with magnetic attachment to the chest strap
• Direct access to the reservoir via a separate zipped opening
• U-shaped main compartment opening, easy to handle with gloves
• Front stretch fabric stuff pocket for wet gear
• Integrated tool organization in the main compartment
• LidLock™ attachment for classic helmets + compression straps for full-face helmets
• Attachment for lamp/flashing light
• Removable 20 mm stabilizing belt

Travel light but fully equipped with the Siskin 8 MTB bag

The back of the bag features the AirScape™ system, a ribbed foam structure with a central ventilation channel that ensures a close fit without sacrificing breathability. The BioStretch harness ensures a stable and comfortable fit, even on the most challenging descents.

A durable and eco-friendly MTB hydration pack

Committed to cleaner production, Osprey has designed the Siskin 8 from sustainable materials:

• 100% recycled 400D high-tenacity nylon
• Bluesign® certified
• PFAS-free DWR water-repellent treatment