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Hiking backpack

Thule Stir Alpine 40L

A streamlined backpack perfect for skiing, mountaineering and climbing.


  • Designed to support any adventure with a highly weather and abrasion resistant coated nylon fabric
  • Removable lid, frame sheet, hip belt padding and sternum strap allow pack weight to be reduced up to 500g /1.10 lb for light and fast missions
  • Storm flap provides weather protection when lid is removed
  • Securely attach skis using an A frame or diagonal carry
  • Quickly access a snack in the shoulder strap stretch pocket
  • Fast-access side zipper allows you to find contents toward the middle and bottom of the pack
  • Secure two ice axes with a dedicated tool garage
  • Attach a climbing rope or jacket with the underlid compression strap
  • Hydration compatible design features reservoir sleeve with drink tube exit port (Reservoir sold separately)
  • Easily store small items in the interior zipped mesh pocket
  • Access protection easily with gear loops integrated to hip belt

Technical specifications

Color Obsidian
Gender Male
Usage Day hike
Material Coated 210D Robic, 70D nylon
Volume 40 L
Dimensions 11.42 x 10.24 x 22.83 in
Weight 2.85 lb
Model number 3204502



Thule BringIt! GuaranteeThule is dedicated to providing exceptional products that are quality tested and guaranteed against defects in materials and workmanship.

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