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Item # GRE003I

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Item # GRE003I

Bounce-free performance.

The Gregory Tempo 8 Hydration Backpack is built to help you step up your running game with plenty of pocket space for easy access to what you need on the trail. The Hydrapak Shape-Shift reservoir makes sure that you stay hydrated when you're logging the miles. Most importantly, however, the Tempo 8 is designed from the ground up for bounce-free stability. The Wraptor harness hugs your body like it's a part of you, and multiple compression straps ensure the most stable fit possible.

  • Wraptor stabilizing system
  • Hydrapak Shape-Shift reservoir
  • Panel-access main zippered compartment
  • External zippered pocket
  • External stretch mesh pocket
  • Trekking pole pocket
  • Internal security pocket
  • Shoulder harness zippered accessory pocket
  • Shoulder harness flask holster
  • Dual side compression straps

Tech Specs

488 cu in
Hydration Compatible:
Reservoir Included:
yes, Hydrapak
front panel
[external] 1 gear storage, 1 stretch mesh, 1 trekking pole, [internal] 1 security
Trekking Pole Carry:
Claimed Weight:
[pack] 13.6 oz, 2L reservoir 4.4 oz
Recommended Use:
Manufacturer Warranty:

Size chart

Gregory Packs

Frame Sizes
Torso Length 14 - 16in
(35 - 39cm)
16 - 18in
(40 - 44cm)
18 - 20in
(45 - 49cm)
20 - 22in
(50 - 54cm)
How to Measure Your Torso:
Using a flexible tape measure or Gregory Fit-O-Matic, measure the length of your torso from the C7 vertebra (at the base of your neck) to the spot on the spine level with the top of the bony hip structure called the iliac crest. Do it two or three times to get an accurate measurement. If you are between frame sizes, always go with the smaller size.

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