How to Choose Daypacks
REI Co-op Trail 40 Pack - Men's
This product is not available. Good news: we have a newer version.
This sturdy, big-capacity daypack is also very big on organization and comfort. The REI Trail 40 pack is ready to hit the trailhead and carry everything you need for a long hike.
Shop newer version- U-shaped panel with 4 zipper sliders offers quick access to gear and total access when fully open
- Spring-steel perimeter frame provides load support while also allowing the back panel to conform to your back
- Included raincover stows in its own zip pocket
- Padded, mesh-covered straps, belt and back are cool and comfortable
- Side mesh pocket with elastic closure; outer pocket for phone or sunglasses; sleeve for hydration reservoir (sold separately)
- Top has a zippered pocket on the underside for your keys and valuables; zippered hipbelt pockets let you access snacks and other essentials as you hike
- Special fasteners on the back hold trekking-pole tips down low and pole shafts up high
- Forward-pull hipbelt design makes adjustments quick and easy
- 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 |
|---|---|
| Bag Style | Backpack |
| Frame Type | Internal Frame |
| Gear Capacity (L) | 40 |
| Gear Capacity (cu. in.) | 2,441 |
| Weight | 2 lbs. 14 oz. |
| Material(s) | Nylon |
| Frame Material | Perimeter spring steel |
| Pack Access | Panel |
| Number of Exterior Pockets | 6 + main compartment |
| Hipbelt | Yes |
| Hipbelt Pockets | Yes |
| Raincover Included | Yes |
| Reservoir Compatible | Yes |
| Dimensions | 21.625 x 13.125 x 10.5 inches |
| Gender | Men's |
| 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.
