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Lowe Alpine Halcyon 35-40L


Whether you’re scaling glaciers or projecting a summer rock route, the Halcyon 35:40 alpine mountaineering pack has everything you need for a day moving in the mountains.

Born from Lowe Alpine’s vertical heritage, the Halcyon 35:40 is a mid-volume, traditional mountaineering pack designed for the extraordinary.

With features including a rope compression system, pick retainer panel and reinforced ski slots, you can carry your kit securely over rock, snow or ice. An extendable lid increases the volume by 5 litres, while a stiffened weather flap/compression system aids stability. A lid pocket and zipped side entry keeps kit organised and accessible.


  • Removable frame sheet & spring steel frame
  • Grab handle / haul loop
  • Single lid closure with LoadLocker
  • Rope Compression system
  • Reinforced ski slots
  • Dual density foam hipbelt
  • Gear loops on hipbelt
  • Removable hipbelt and webbing
  • Zipped top pocket
  • Zipped side entry
  • Single panel base and sides
  • Moulded snow-shedding back panel
  • Stiffened weather flap /compression system with additional buckle, allows lid to be securely stored inside for ‘Guide mode’
  • Double HeadLocker axe attachment system with Pick retainer panel