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Osprey Ariel 65L EF | Plus-Size Backpack | Women's Fit

Osprey Ariel 65L EF | Plus-Size Backpack | Women's Fit

Regular price £250.00 GBP
Regular price Sale price £250.00 GBP
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Osprey's Ariel 65 EF (Extended Fit) womens-specific backpacking pack is built to carry the heaviest of loads in a broader fit range and plenty of clever features. It offers a fine-tuned fit for larger variety of body shapes and sizes with a Custom Fit-on-the-Fly™ Hipbelt and Shoulder Straps, as well as an adjustable torso length.

FREE 1.5L Osprey hydration reservoir with every Ariel 65L purchase, while stocks last!


Designed to provide a stable close-to-body carry; ideal for managing heavier loads when the trail gets technical.

An injection-molded, die-cut foam AirScape backpanel creates a breathable, close-to-body fit.

The Ariel and Aether range of packs are designed to provide a body-specific fit to achieve maximum comfort and stability across body types. Packs designated as Women's are best suited for shorter, narrower, curved body types compared to packs designated as Men's.

Choose your back size to suit your body shape:

WXS/S - Extra Small/Small
WM/L - Medium/Large

See information below on how to find your back size.


  • Large front panel zip access to main compartment
  • Floating top lid with lash points
  • Fabric reinforced front shove-it pocket
  • Large dual-access stretch mesh side water bottle pockets
  • Dual upper/lower side compression straps
  • Dual front panel compression straps with StraightJacket compression
  • Dual zippered hipbelt pockets
  • Dual ice axe loops with bungee tie-offs
  • Zippered sleeping bag compartment with removable divider
  • Removable sleeping pad straps
  • Internal hydration reservoir sleeve
  • Anchor loops for an optional Daylite™ daypack for short forays
  • Panel loading design

How to find the right torso length

Follow the steps below and then consult the sizing chat at the end.

1. Find the iliac crest 

Osprey sizing diagram - step 1 - find the iliac crest

2. Find the C7 vertebra (tip your head forwards and it's the bony protrusion at the base of your neck)

Osprey sizing guide - step 2 - find the C7 vertebra

3. Use a soft tape measure to measure the distance in cm from the C7 vertebra to your iliac crest.

Osprey sizing guide - step 3 - measure from C7 vertebra to iliac crest

4. Compare your torso length in cm to the size chart below, to determine which torso length of backpack you need.


Bluesign® approved 420HD nylon packcloth, DWR treatments made without PFAS

Volume: 65L
Weight: 2.2kg

Usage information

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