Mammut Messenger Square 23L Pack

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The Messenger Square 23L Pack from Mammut is a functional, straight-cut shoulder bag for cycling to work or transporting climbing gear. Whether a laptop, folder, pen or water bottle – everything has a pre-defined place.

  • Material:
    • Outer: 600D waterproof polyester
    • Inner: 300D ballshadow polyester
  • DWR coated
  • Side pocket
  • Organiser pocket
  • Zipped body side protective compartment
  • Zipped front pocket
  • Zipped pocket and pen compartment under the flap
  • Hook-and-loop fasten and buckle lid closure (stowable)
  • Length adjust shoulder strap with soft padding
  • Bicycle hip belt system
  • Protective laptop compartment
  • Capacity: 23L
Product Code: E2214659

For over 150 years Mammut have been making clothing, footwear and equipment for mountain adventures. Their range of climbing clothes, from wicking t-shirts to waterproof jackets have enabled climbers of all abilities to appreciate and explore the mountains in comfort.


Mammut began as pioneers in the design and construction of world class climbing ropes. With their attention to detail and exceptional technical understanding, Mammut became famous for producing equipment that people all over the world could trust their lives with.

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