Skip to Main Content

Osprey Siskin 8 Hydration Pack

sku# 164772
Osprey - Siskin 8 Hydration Pack
Model Info
This item is

Out of Stock

But fear not - there is plenty to explore...

Shop all Osprey Shop sale Osprey

Buy Now Pay Later - Get 6 months to pay on purchases over $199 Learn More.

Product Info

Your bike buddies are sick of you freeloading off their water and snacks, it's time to pick up the Osprey Siskin 8 Hydration Pack. Loaded with useful features like carry systems for both half shell and full face helmets, tool pocket and a 2.5L hyrdration pack, the Siskin 8 is lightweight, well ventilated and built for dynamic movement; perfect for keeping things tight when your ride gets loose.

Product Details


Main900x600D Polyester

Accent210D Nylon Duramax

Bottom420HD Nylon Oxford


(H) 18.5" x (W) 8.5" x (D) 6.9"

Hydration System

Osprey Hydraulics® LT 2.5L Reservoir by Hydrapak

Magnetic Sternum Strap Bite Valve Attachment


Front Panel Shove-It Pocket

Zippered Scratch-Free Heat-Embossed Slash Pocket

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


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

AirScape BackpanelMesh covered ridged foam allows maximum ventilation while keeping the load close to the body.

AirScape SuspensionAtilon foam framesheet enables dynamic body movement and evenly distributes load across the entire backpanel.

Biostretch HarnessMesh covered die cut foam provides an active and contouring fit and ventilation. Soft, breathable spacer mesh contact surfaces.

Mountain Bike Focused FeaturesMulti-pocketed tool organization and large bucket main compartment stores and protects all your essential gear.

Dual Upper Side Compression Straps

Blinker Light Attachment


  • Material: Nylon, Polyester
  • Bag Volume (L): 8
  • Bag Volume (cu in): 488
  • Hydration System: Included
  • Reservoir Volume: 2.5L
  • Weight (g): 526
  • Ski Carry: No
  • Snowboard Carry: No
  • Warranty: Limited Lifetime

Other Notes

Osprey products can only be shipped within the United States



Got a question about this product?
icon-returns icon-ruler icon-ruler-mini icon-compatibility icon-location