REI Co-op
REI Co-op Flash Air 50
The Flash Air is REI's ultralight pack, using a shaped spring steel frame rather than stays or a hoop. It is the only pack in this group backed by a mainstream retailer's return policy, which matters more than usual in a segment dominated by made-to-order cottage brands.
Specifications
Features
Pros
- ✓Backed by REI's return policy, which is uniquely valuable in a segment where most packs are made to order.
- ✓A shaped spring steel frame flexes and returns rather than taking a set like aluminium stays.
- ✓UHMWPE ripstop gives gridstop-style tear resistance.
- ✓32 oz for 50 L is competitive with cottage packs at similar prices.
- ✓Available to try on in person at REI stores, which no cottage pack is.
- ✓$299 sits mid-range for the segment.
- ✓Foam padded back adds comfort the minimalist packs omit.
- ✓Hipbelt pockets included.
Cons
- ✗No published maximum load figure.
- ✗Heavier than the Bonfus Framus while carrying 8 L less.
- ✗Spring steel frames can deform permanently if badly overloaded.
- ✗No adjustable torso.
- ✗Not waterproof, unlike the Ultra-fabric packs at this price.
- ✗REI's ultralight design heritage is shorter than the cottage brands'.
- ✗Fewer configuration options than a made-to-order pack.
- ✗50 L is tight for a bear canister plus a long food carry.
Compare the REI Co-op Flash Air 50
Related backpacks
More from REI Co-op →
REI Co-op
REI Co-op Flash 55
The Flash 55 is REI's ultralight value play — a roll-top pack with the co-op's Packmod system of removable pockets and straps, letting owners configure or strip it per trip. It's the cheapest credible ultralight framed pack from a major retailer.
Weight
2.81 lbs
Capacity
55 L
Frame
Internal Frame
REI Co-op
REI Co-op Traverse 60
The Traverse 60 is REI's full-featured backpacking pack, sitting above the budget Trailmade and below the ultralight Flash Air. At 4.5 lb it is built for comfort under load rather than for weight, and it is backed by REI's return policy.
Weight
4.5 lbs
Capacity
60 L
Frame
Internal Frame

REI Co-op
REI Co-op Trailmade 60
The Trailmade 60 is REI's entry-level backpacking pack, built around inclusive sizing and a fully adjustable fit at a beginner-friendly price. A huge U-shaped front opening makes it one of the easiest packs to load and unload on the market.
Weight
3.44 lbs
Capacity
60 L
Frame
Internal Frame