Osprey Siskin
Best hydration pack for mountain bikers tackling technical, all-day trail rides.
This pack offers the perfect middle ground for riders who need enough space for a full day of gear without the bulk of a larger bag. The integrated hydration system ensures you stay fueled while the organized layout keeps your trail essentials exactly where you need them.
$140.00
at
Outfitter Harbor Springs
More Siskin options
Who it's for
- Mountain bikers needing quick, hands-free hydration access
- Aggressive riders prioritizing stability and back ventilation
- Organized cyclists who want dedicated spots for essential gear
Who should skip it
- Long-distance riders needing space for extra layers and supplies
- Budget-conscious shoppers seeking entry-level hydration options
- Hikers or multi-sport athletes wanting a versatile, general-use pack
Performance breakdown
Trail Stability
The ergonomic harness keeps the pack locked tight during technical descents.
Ventilation Efficiency
Airscape back panel effectively minimizes sweat buildup on long, hot rides.
Hydration Accessibility
Direct zip path makes reservoir refills fast and frustration-free.
Storage Versatility
Smart pocket layout balances tool organization with quick-access layer storage.
Helmet Integration
LidLock system secures your helmet firmly when you are off the bike.
Load Management
Side compression straps prevent gear from shifting during aggressive trail maneuvers.
Key Specs
Capacity
12 liters
Weight
660 grams
Reservoir Capacity
2.5 liters
Material
Mesh and Foam
Bag Type
Backpack
Closure Type
Zipper
Bike Type Compatibility
Mountain Bike
Shoulder Strap Included
Yes
Internal Organization
Yes
Waterproof
No
Know before you buy
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Ask Metto anything about the Osprey Siskin before you decide.