Atmos AG LT 50

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A lightweight but fully featured gear hauler

If you’re planning on putting in big miles, the thought of a heavy pack is just depressing. But then again, you need enough space to carry all the essentials for a multi-day adventure. As always, Osprey have the solution. They’ve taken the ever-popular Atmos and trimmed extraneous weight, leaving you with a lighter but super functional pack. It still offers superb carrying comfort too, thanks to a body-hugging AntiGravity suspension with a continuous back panel of lightweight, highly ventilated mesh. And for anyone planning an extended trip, the adjustable hip belt can be cinched in on the fly, so if you find your waist shrinking as you eat up the miles, you won’t be left with a hip belt that’s too loose to take the load.

  • Lightweight, streamlined build is approximately 10% lighter than the previous Atmos
  • Floating top lid with lash points
  • Curved zip access on each side panel into the main compartment
  • Fabric reinforced front shove-it pocket
  • Tall dual-access side water bottle pockets
  • Integrated raincover made with PFAS-free DWR and bluesign approved materials
  • Fit-On-The-Fly harness and hipbelt offering improved comfort and a precise fit for a range of sizes
  • Dual zippered hipbelt pockets
  • Dual upper/lower side compression straps
  • Dual ice axe loops with upper compression strap capture
  • Removable external sleeping pad straps
  • Internal hydration reservoir sleeve with centre back exit port
  • Stow-on-the-Go trekking pole attachment system
  • Zippered sleeping bag compartment with removable divider
S/M L/XL
Weight 1.81 kg 1.89 kg
Dimensions (H x W x D) 83 x 35 x 30 cm 88 x 35 x 30 cm
Volume 50 L 53 L
  • MAIN: bluesign® approved recycled 210D nylon honey comb contrast, PFAS-free DWR
  • ACCENT: bluesign® approved recycled 210D high tenacity nylon, PFAS-free DWR
  • BOTTOM: bluesign® approved recycled 500D high tenacity nylon, PFAS-free DWR
  • bluesign® approved main body fabrics
  • GRS-certified recycled main body materials
  • PFAS-free DWR

The Osprey story started in California in the 1970s, with one man, a sewing machine and a vision to make the world’s best outdoor packs. Today, it’s one of the most recognisable rucksack brands.

All of Osprey's packs share the same twin hallmarks of fit and comfort. In fact, Osprey was an early adopter of breathable mesh, ergonomic hip-belts and packs designed specifically to fit women. Breathable back panels are still a feature of all their packs, and all except their most lightweight bags come with adjustable back-lengths for a perfect fit.

And in a world where outdoor enthusiasts are increasingly conscious of our environmental impact, many Osprey packs are made from durable recycled fabrics, while all feature PFC-free water-repellent coatings.

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