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Osprey Siskin 12 Hydration Pack

sku# 148397
Osprey - Siskin 12 Hydration PackOsprey - Siskin 12 Hydration PackOsprey - Siskin 12 Hydration Pack
Model Info
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Product Info

The Osprey Siskin 12 Hydration Pack has everything you need to make the most out of your next mountain bike adventure. Featuring a super breathable mesh back panel and a 2.5-liter reservoir so you can stay cool and refreshed, the Siskin 12 also incorporates a tool pocket for quick repairs and the LidLock attachment system that accommodates a full face helmet.

Product Details


Main900x600D Polyester

Accent210D Nylon Duramax

Bottom420HD Nylon Oxford


18.5 H x 9.1 W x 8.7" D

Hydration System

Osprey Hydraulics® LT 2.5L Reservoir by Hydrapak

Magnetic Sternum Strap Bite Valve Attachment


Full Front Panel U-Zip to Main Compartment and Tool Organization

Front Panel Shove-It Pocket

Dual Zippered Hipbelt PocketsProvide secure storage for often needed items.

Zippered Scratch-Free Heat-Embossed Slash Pocket


Variable Helmet CarryIncludes Osprey's LidLock helmet carry for traditional helmets and front panel upper compression straps for full face helmets.

Blinker Light Attachment


  • Material: Nylon, Polyester
  • Biking Type: Mountain More 
  • Bag Volume (L): 12
  • Bag Volume (cu in): 732
  • Hydration System: Included
  • Reservoir Volume: 2.5L
  • Weight (g): 653
  • Warranty: Limited Lifetime

Other Notes

Osprey products can only be shipped within the United States and Canada



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