Black Diamond Magnum 20L Day Pack



Item #: 331776464

With a 20-liter storage capacity, the Black Diamond Magnum 20 streamlines your necessities on all-day missions that require a step above the bare minimum essentials. With an internal stow pocket and a trekking pole or ice axe loop supplemented by side stretch pockets and front web compression, storage options are many.

NOTE: Find in Store Inventory levels are continuously changing. Please contact store to confirm availability is as shown.


  • Contoured shoulder straps and OpenAir™ Backpanel
  • Zippered panel opening and internal stash pocket
  • Easy-to-remove 20 mm webbing hip belt
  • Trekking pole/ice axe loop and bike light slot
  • Side stretch pockets, front web compression and storage
  • Hydration compatible


  • Weight: 900 g
  • Volume: 20L

Shipping Info:

  • Leaves the warehouse in 1-7 business days depending on order volume.
  • Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
  • Note: Shipping restrictions may apply based on location and product size.


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