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The Osprey Atmos AG 65 Litre Rucksack is lightweight and provides plenty of space for carrying everything you need for traveling or multi-day trekking. The fully adjustable back system will tailor to your bodies shape for optimum fit and comfort, whilst the ventilated mesh backing and hipbelt will keep you feeling cool and dry.

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Product code: 15894148 / 038861

The Osprey Atmos AG 65 litre Rucksack uses a unique suspended AntiGravity™ back system and fully ventilated hipbelt, so when your exploring hotter climates you will remain dry and comfortable. Whist the Exoform™ Biostretch ™ harness and InsideOut™ compression will provide great load support letting you feel you like your carrying less and walk further. The 65 litre capacity is the perfect size for carrying everything you need for whatever your adventure; internal dividers will help organise your gear for quick and easy, and the external zipped pockets will make accessing essential items a breeze.


  • Fully adjustable lightweight 65 litre rucksack
  • AntiGravity™ 3D suspended mesh backpanel and hipbelt – Optimal ventilation and load-bearing comfort
  • ExoForm™/BioStretch™ harness with load lifter 'bar' - Fantastic load support helps you walk for longer
  • Sternum strap with emergency whistle
  • Top lid access
  • Stretch front pocket
  • Twin zippered hip belt pockets
  • Stow-on-the-Go™ trekking pole attachment – Will let you access your walking poles without taking the rucksack off
  • Integrated & detachable raincover
  • Sleeping bag base compartment with internal divider
  • Fit-on-the-Fly™ adjustable hipbelt
  • Compatible with Hydraulics™ Reservoir
  • Base zip entry
  • External probe and shovel handle sleeves
  • Sleeping bag base compartment with internal divider
  • Internal hydration sleeve
  • Internal top load compression strap
  • Light weight peripheral frame
  • Removable sleeping pad straps
  • Stretch mesh side pockets
  • Twin zippered easy access front pockets
  • Weight: 2.19 kg
  • Maximum dimensions: L87 x W41 x D41cm
  • Capacity: 65L
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509923 4202929190#
Lightweight, Breathable
Grey, Grey

This product qualifies for the following delivery methods

Standard UK Delivery (5-8 Days) (FREE)


Contactless delivery, 7 days a week between 8am-8pm

Premium Express Delivery (£6.95)


A tracking link will be provided once your order is despatched.

Bike Delivery (5-8 Days) (£4.99)


Bike delivery is £4.99. This applies to all bikes, and these orders are upgraded to a specialist courier service.

Next Day Delivery (£6.95)


Orders must be placed before 6pm to arrive the next day. Next day cannot be offered in the following areas, and will be attempted within 48 hours: BT (all Northern Ireland), GY, IM, JE, KW11-17, HS, PH32-35, ZE.

Collect In Store (FREE)


Premium Next Day (£6.95)


Next day cannot be offered in the following areas, and will be attempted within 48 hours: BT (all Northern Ireland), GY, IM, JE, KW11-17, HS, PH32-35, ZE.

International delivery

From £4.99 to over 200 countries worldwide. Some restrictions apply.


Returning orders to us is easy. Whatever your reason, we offer a refund or exchange within 28 days of delivery or collection.

Ratings & Reviews

Overall Rating

5.00 out of 5
2 reviews
Write a review
5 out of 5

I am so pleased I bought the Osprey Atmos AG 65

Like many before I had read the reviews and watched the YouTube videos about this amazing piece of kit from Osprey. It wasn't until I received it from Millets that I could fully appreciate the design features that have gone into producing this brilliant rucksack. The AG or anti-gravity system really does enable you to set the pack up to your physical requirements and with the waist belt that literally wraps itself around you, you really don't notice the weight you have on your back. There are plenty of well designed and practical pockets and compartments so you can stow a lot of kit.

5 out of 5

A lightweight well designed pack with a large capacity.