How to Choose Daypacks
REI Co-op Flash 18 Pack
This product is not available. Good news: we have a newer version.
Versatility is the name of the game with the REI Flash 18. For use in your larger backpack or duffel, this lightweight daypack cleverly converts into a stuff sack simply by turning it inside out!
Shop newer version- Turn inside out and it's a stuff sack to help organize your gear; once at basecamp, reverse it and use as a daypack for short hikes away from camp
- Hydration-compatible design has an hose exit port and an internal sleeve to hold a hydration reservoir, sold separately
- Top-loading entry features an efficient, single drawcord that cinches skirt closed with single tug; small flap covers the opening when cinched closed
- Lightweight shoulder straps supply comfortable load carrying; adjustable, sliding sternum strap adds stability and helps keep straps ideally positioned
- Front of pack features twin daisy chains running vertically and a tool loop at the bottom for attaching items on the front of the pack
- Storage sleeve inside features organizer slots sized for the Ten Essentials
- 140-denier ripstop nylon construction provides increased durability without added weight; polyurethane coating offers weather resistance
- REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
| Best Use | Hiking |
|---|---|
| Frame Type | Frameless |
| Ultralight | Yes |
| Gear Capacity (L) | 18 liter |
| Gear Capacity (cu. in.) | 1,100 cubic inches |
| Weight | 10 ounces |
| Fits Torso Length (in.) | 17 - 19 inches |
| Fits Waist/Hips | Unavailable |
| Material(s) | Ripstop nylon |
| Frame Material | Not applicable |
| Number of Stays | 0 |
| Suspended Mesh Back Panel | No |
| Pack Access | Top |
| Number of Exterior Pockets | 1 main compartment |
| Dimensions | 18 x 9.5 x 8 inches |
| Gender | Unisex |
| Sustainability | From a Climate Label Certified brand |
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Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.
