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Alpha SL 23 Summit Pack Backpack

Color: Fluidity

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Superlight summit pack in our exceptionally durable Hadron™ LCP grid fabric.



Lightweight, minimalist climbing and alpinism products that protect from alpine environments.

Alpine and Rock Climbing


Climbing equipment designed for efficient movement and protection in alpine environments.



Superlight materials and design, emphasizing lightweight and packability over durability.



Functional packs streamlined for ease of use and lightweight. Activity-specific designs.


Superlight, incredibly durable, comfortable - the Alpha is a summit pack that doesn’t compromise. Sized for final pushes and minimalist approaches, it’s made from our Hadron™ LCP (liquid crystal polymer) grid fabric - a proprietary material redefining the standard for lightweight durability. Access to the main compartment is fast and simple, and smaller pockets - one internal, one on the lid - hold small essentials. It packs easily into a larger pack, dual dog bones secure your tools, and an integrated system securely carries your rope.

Size One Size

Weight 590g / 21oz / 23L

Activity Rock Climbing / Ice Climbing / Alpine Climbing / Mixed Climbing

Model 28408

Technical Features

  • Weather resistant
  • Durable

Pack Attachment Configuration

  • Dual dog-bone tool attachments

Pack Compression Strap Configuration

  • Integrated rope carrying system

Pack Design & Construction

  • Removable framesheet and back panel for versatility and packability
  • Proprietary Hadron™ LCP (Liquid Crystal Polymer) grid fabric is incredibly light and exceptionally durable
  • Capacity sized for summit pushes and superlight approaches

Pack Dimensions

  • Alpha SL 23 Backpack = Length: 56.6cm, Width: 30cm, Depth 16cm, Centre Back: 45cm

Pack Lid Configuration

  • Fixed top lid

Pack Loading & Closure Configuration

  • Weather resistant flap keeps zipper covered
  • Top loading

Pack Pocket Configuration

  • Large volume main compartment
  • Internal security pocket
  • External pocket with ring/ key clip


  • Contains materials that meet the bluesign® criteria
  • Self fabric uses PFC-free DWR: PFCs are a class of chemicals used to provide highly effective water repellency to textiles, but are known to persist in the environment.


  • 210d Cordura nylon 6,6 w/ 6.5 twisted 200d LCP grid


  • Surface clean only.