Whether you're heading out for a quick ride after work or a long day on the trails, the Siskin 12 Postal Blue is a reliable companion. Its 12-liter capacity is ideal for carrying inner tubes, tools, a change of clothes, and more. Better yet, its ergonomic design and cycling-specific features make all the difference.

Osprey Siskin 12: a comfortable and stable mountain bike backpack

Osprey has thought of everything to ensure a comfortable fit, even on rough terrain. The AirScape™ back panel moves with you while ensuring good load distribution. It is complemented by breathable BioStretch shoulder straps, a snug-fitting Airmesh waist belt and a harness with soft edges for a perfect fit. The result: the bag stays in place, even on technical descents.

Hit the trails with a compact but functional backpack

With its numerous pockets and storage options, the Siskin 12 makes your life easier in the field:

• Main compartment with U-shaped zipper opening
• Integrated tool organization
• Heat-embossed scratch-resistant pocket for glasses or smartphone
• Zippered waist pockets for essentials within easy reach
• LidLock™ attachment for classic helmets
• Full helmet carrying system with compression straps
• Chest strap with magnetic point for hydration valve
• Direct access to the reservoir compartment via zippered slide
• Light attachment on the back

An eco-friendly backpack by Osprey

As always with Osprey, sustainability is a priority. The Siskin 12 is made from 100% recycled 400D high-tenacity nylon, bluesign® certified and treated with a PFAS-free DWR coating for environmentally friendly protection.