Osprey Siskin 12 Mountain Biking Pack

The Osprey Siskin 12 is a versatile mountain biking hydration pack built for longer rides and big trail days. With stable carry, organized storage, and a large reservoir included, it keeps everything you need close at hand on the trail.

Highlights

• Included 2.5L hydration reservoir
  Comes with Osprey’s Hydraulics LT 2.5L reservoir and magnetic bite valve attachment for easy drinking while riding.

• Room for longer rides
  Twelve-liter capacity provides space for tools, spare tubes, a pump, snacks, and an extra layer.

• Organized tool storage
  Internal compartments help keep repair tools and trail gear easy to find during quick fixes.

• Easy-access hydration compartment
  Separate zip path allows quick reservoir refills without unpacking the main compartment.

• Helmet carry options
  LidLock helmet attachment and additional carry points allow you to secure a helmet when needed.

• Quick stash storage
  Front shove-it pocket provides easy access to layers or additional gear.

• Secure essentials pocket
  Scratch-free zip pocket protects sunglasses or small electronics.

• Stable fit for technical riding
  Zippered hipbelt pockets keep small essentials accessible while helping stabilize the pack.

Best for

Mountain bikers heading out for longer trail rides who want reliable hydration, organized tool storage, and space for extra gear.