How to Choose a Backpack
REI Co-op Mercury Pack
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Brand new from REI, an internal frame pack for weekend trips or alpine assaults featuring an ultra-adjustable suspension!
Shop similar products- Dual access: top loading and a waterproof zippered panel opening to give complete access to contents
- An REI exclusive, back panel features a new quick-adjust torso system that is light and durable providing 4 inches of adjustment per size
- Waistbelt features a quad-buckle with four webbing cinches for precise adjustment to hug the waist
- Shoulder straps feature ultra-breathable BROCK Foam™ giving exceptional cushioning and cooling comfort, on and off the trail
- Front shovel pocket with bungee tackles the storage overflow and also acts as a compression panel
- Both sides feature dual accessory pockets that are sized to fit gloves, water bottle and more
- External mesh side pockets hold water bottles, energy bars and other essentials you want close at hand
- Six-slot Hypalon® dog-bone patches at top and bottom of pack give you plenty of options for strapping on various gear
- Concave head pod at the top of pack frees up your head for ultimate freedom of movement
- With six buckles, the streamlined compression system lets you cinch and strap down loads for jostle-free carrying
- Front panel compression straps are sized to fit REI-exclusive accessory daypack (sold separately)
- Zippered pocket under fixed top lid stores compass, maps, keys and other small essentials
- Main compartment's extension/storm collar porvides an extra 200 cubic inches of volume
- Ski slots and retainers, plus adjustable tool loops let you strap on additional gear for winter adventures
- 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
Imported.
View all REI Co-op Backpacking Packs| Number of Stays | 2 |
|---|---|
| Number of Exterior Pockets | 5 + main compartment |
| Best Use | Backpacking |
| Material(s) | Nylon |
| Frame Material | Aluminum |
| Sustainability | From a Climate Label Certified brand |
Buying Advice
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.
