Skip to top navigation
Skip to my shopping bag
Skip to main content
Skip to footer links
Hunter's Fest 🎉 Extra 15% off with code FINAL15
Osprey Siskin Bike Backpack with Reservoir 12L - Men's
C$
119
.99
C$ 199.99
or 4 interest-free payments of C$ 30.00 with
.
Colour
Ultimate Red
Size
OS
Customers say: True to Size
Size
OS
Ready for More Choices?
Discover the widest selection of outdoor gear and apparel, with 30-day hassle-free returns on Altitude-Sports.com



Bite me.
With a little more room and a focused feature set, the Siskin 12-litre is a well-balance performance mountain biking pack for adventurous days on the trail. With a generous main compartment with plenty of room for your spare tubes, multi-tool, trail pump, extra lightweight layers and more.
Features
• Upper side compression and full face helmet carry
• Direct access zip path to reservoir compartment
• U-zip main compartment access
• Front fabric shove-it pocket
• LidLock helmet attachment
• Blinker light attachment
• Magnetic sternum strap bite valve attachment
• Main compartment tool organization
• Zippered hipbelt pockets
• Zippered scratch-free heat-embossed slash pocket
• Ride stability: A rolled, soft-edged harness and air mesh wrap hipbelt create comfortable and stable carry
• Helmet carry: Offers traditional LidLock helmet carry or full face helmet carry with the compression straps
• Bike-focused features: Just the right volume for any ride, providing tool organization, helmet carry and a full U-zip main compartment opening
• AirScape™ suspension: Atilon foam framesheet enables dynamic body movement and evenly distributes load across the entire backpanel
• AirScape™ backpanel: Mesh-covered, extra-deep ridged foam with center air channel allows maximum ventilation while keeping the load close to the body
• Biostretch harness: Soft breathable spacermesh contact surfaces and die cut foam ventilation
• Hipbelt: Airmesh wrap hipbelt with zippered pockets provides stability and breathability
Materials
• Main/Bottom: bluesign® APPROVED 100% Recycled 400D high-tenacity Nylon, DWR treatments made without PFAS
Specifications
• Volume: 732in³/12L
• Dimensions(HxWxD): 19x9x9in/47x23x22cm
• Weight: 1.44lbs/0.66kg
With a little more room and a focused feature set, the Siskin 12-litre is a well-balance performance mountain biking pack for adventurous days on the trail. With a generous main compartment with plenty of room for your spare tubes, multi-tool, trail pump, extra lightweight layers and more.
Features
• Upper side compression and full face helmet carry
• Direct access zip path to reservoir compartment
• U-zip main compartment access
• Front fabric shove-it pocket
• LidLock helmet attachment
• Blinker light attachment
• Magnetic sternum strap bite valve attachment
• Main compartment tool organization
• Zippered hipbelt pockets
• Zippered scratch-free heat-embossed slash pocket
• Ride stability: A rolled, soft-edged harness and air mesh wrap hipbelt create comfortable and stable carry
• Helmet carry: Offers traditional LidLock helmet carry or full face helmet carry with the compression straps
• Bike-focused features: Just the right volume for any ride, providing tool organization, helmet carry and a full U-zip main compartment opening
• AirScape™ suspension: Atilon foam framesheet enables dynamic body movement and evenly distributes load across the entire backpanel
• AirScape™ backpanel: Mesh-covered, extra-deep ridged foam with center air channel allows maximum ventilation while keeping the load close to the body
• Biostretch harness: Soft breathable spacermesh contact surfaces and die cut foam ventilation
• Hipbelt: Airmesh wrap hipbelt with zippered pockets provides stability and breathability
Materials
• Main/Bottom: bluesign® APPROVED 100% Recycled 400D high-tenacity Nylon, DWR treatments made without PFAS
Specifications
• Volume: 732in³/12L
• Dimensions(HxWxD): 19x9x9in/47x23x22cm
• Weight: 1.44lbs/0.66kg
Bite me.
With a little more room and a focused feature set, the Siskin 12-litre is a well-balance performance mountain biking pack for adventurous days on the trail. With a generous main compartment with plenty of room for your spare tubes, multi-tool, trail pump, extra lightweight layers and more.
Features
• Upper side compression and full face helmet carry
• Direct access zip path to reservoir compartment
• U-zip main compartment access
• Front fabric shove-it pocket
• LidLock helmet attachment
• Blinker light attachment
• Magnetic sternum strap bite valve attachment
• Main compartment tool organization
• Zippered hipbelt pockets
• Zippered scratch-free heat-embossed slash pocket
• Ride stability: A rolled, soft-edged harness and air mesh wrap hipbelt create comfortable and stable carry
• Helmet carry: Offers traditional LidLock helmet carry or full face helmet carry with the compression straps
• Bike-focused features: Just the right volume for any ride, providing tool organization, helmet carry and a full U-zip main compartment opening
• AirScape™ suspension: Atilon foam framesheet enables dynamic body movement and evenly distributes load across the entire backpanel
• AirScape™ backpanel: Mesh-covered, extra-deep ridged foam with center air channel allows maximum ventilation while keeping the load close to the body
• Biostretch harness: Soft breathable spacermesh contact surfaces and die cut foam ventilation
• Hipbelt: Airmesh wrap hipbelt with zippered pockets provides stability and breathability
Materials
• Main/Bottom: bluesign® APPROVED 100% Recycled 400D high-tenacity Nylon, DWR treatments made without PFAS
Specifications
• Volume: 732in³/12L
• Dimensions(HxWxD): 19x9x9in/47x23x22cm
• Weight: 1.44lbs/0.66kg
With a little more room and a focused feature set, the Siskin 12-litre is a well-balance performance mountain biking pack for adventurous days on the trail. With a generous main compartment with plenty of room for your spare tubes, multi-tool, trail pump, extra lightweight layers and more.
Features
• Upper side compression and full face helmet carry
• Direct access zip path to reservoir compartment
• U-zip main compartment access
• Front fabric shove-it pocket
• LidLock helmet attachment
• Blinker light attachment
• Magnetic sternum strap bite valve attachment
• Main compartment tool organization
• Zippered hipbelt pockets
• Zippered scratch-free heat-embossed slash pocket
• Ride stability: A rolled, soft-edged harness and air mesh wrap hipbelt create comfortable and stable carry
• Helmet carry: Offers traditional LidLock helmet carry or full face helmet carry with the compression straps
• Bike-focused features: Just the right volume for any ride, providing tool organization, helmet carry and a full U-zip main compartment opening
• AirScape™ suspension: Atilon foam framesheet enables dynamic body movement and evenly distributes load across the entire backpanel
• AirScape™ backpanel: Mesh-covered, extra-deep ridged foam with center air channel allows maximum ventilation while keeping the load close to the body
• Biostretch harness: Soft breathable spacermesh contact surfaces and die cut foam ventilation
• Hipbelt: Airmesh wrap hipbelt with zippered pockets provides stability and breathability
Materials
• Main/Bottom: bluesign® APPROVED 100% Recycled 400D high-tenacity Nylon, DWR treatments made without PFAS
Specifications
• Volume: 732in³/12L
• Dimensions(HxWxD): 19x9x9in/47x23x22cm
• Weight: 1.44lbs/0.66kg