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Osprey Tempest 20L EF | Plus-Size Backpack | Women's Fit

Osprey Tempest 20L EF | Plus-Size Backpack | Women's Fit

Regular price £130.00 GBP
Regular price £125.00 GBP Sale price £130.00 GBP
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Osprey's Tempest 20L EF (extended fit), is the perfect panel-loading, day-hiking, biking or peak-bagging carry solution with a plus-size women’s-specific and broadened fit range.


Featuring a continuous-wrap harness and hipbelt and injection-moulded AirScape™ backpanel that moves as you move down the trail.

Attachment for trekking poles, an ice axe, a bike helmet and blinky light make this lightweight pack one of the most versatile technical pack series ever created.

Choose your back size to suit your body shape:

WXS/S - Women's extra small/small
WM/L - Women's medium/large

Find your perfect fit, scroll down to find the guide on how to measure for your torso length.


  • Dual-zippered panel access to main compartment
  • Internal zippered mesh pocket with key clip
  • Tuck-away ice axe attachment with bungee tie-off
  • Stow-on-the-Go trekking pole attachment
  • Top panel zippered slash pocket
  • LidLock bike helmet attachment
  • Lower side compression straps
  • Side stretch mesh pockets
  • External hydration reservoir sleeve
  • Easy-access, expandable stretch mesh harness pocket
  • Dual-zippered fabric hipbelt pockets
  • Blinky light attachment (light not included)
  • Large stretch mesh front panel pocket
  • Designed to fit up to 70-inch hips
  • Extended hipbelt and shoulder straps
  • Repositioned pockets
  • Longer sternum strap

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.

Size chart for torso length



Weight: 0.9 kg

Fabric: bluesign® approved 100% recycled 100D x 210D high-tenacity wave check nylon, DWR treatments made without PFAS
Volume: 20L

Usage information

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