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REI Flash 22 Pack

Red Hot
$33.93 - $49.95 *
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REI Flash 22 Pack Video

The REI Flash 22 Pack combines an ultralight design with comfortable touches for your day on the trail.

Two hikers wearing Flash Series packs and clothing stand atop a crag admire the view of mountain

Better together: REI Flash Series

Member stories from their time on the trail influenced innovations in our new streamlined backpacking gear & clothing that balances light weight and high performance for a swift adventure.

See more new REI gear


  • Lightly padded stretch-mesh shoulder straps move freely; robust construction provides durability
  • Mesh back is soft and breathable; back also has lightweight padding for added comfort
  • Waistbelt and sternum strap can be detached
  • Includes a zippered lid pocket and a zippered pocket on front
  • Has an internal sleeve to hold a hydration reservoir (sold separately); includes a port to route the sip tube over either shoulder
  • Stash side pockets can hold bottles and other trail essentials
  • Tool loops on top and bottom of pack can be tucked away when not needed



Gear and clothing created with REI co-op members, the experts who work in our stores, and a wilderness spirit born in 1938.

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Best Use Hiking
Bag Style Backpack
Frame type Frameless
Ultralight Yes
Gear capacity (L) 22 liters
Gear capacity (cu. in.) 1,343 cubic inches
Weight 14.5 oz.
Fits torso 16 - 19 inches
Fits waist/hips 26 - 42 inches
Material(s) Nylon
Pack access Top
Number of exterior pockets 3 + main compartment
Dimensions 18 x 10 x 8 inches
Gender Unisex

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*




*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips,, and discounted items. Learn more