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Adventure : Running

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Osprey Rev 12

Endurance racers are the gear-annihilating guinea pigs of the outdoor world. When you’re living with products non-stop for days at a time, even minor annoyances can snowball into deal-breakers. Ergo, smart designers listen closely to these PETA-approved testers.

If the new Rev series is any indication, Osprey’s design crew has both listening skills and problem-solving abilities. Designed for trail runners and endurance racers, the mid-size Rev 12 is almost perfect.   

Available in S/M and M/L, I found the fit to be spot on thanks to a form-fitting cut and two chest straps that can be adjusted vertically. At 6'2", I went with the M/L size—the pack fits so well it feels even lighter than its 26 ounces. Plus, the lean Biostretch harness and belt are lighter than most, making the Rev 12 feel practically tailored.

This pack thrives in motion because you can access important storage without stopping. The strap-mounted water bottle pocket doubles as a great place to stow sunglasses. The strap-mounted media pocket keeps your smart phone secure and is ear-bud friendly. 

Capacity-wise, it's an honest 12 liters. During a trip to Napa and the Clif Family Winery, I discovered the pack comfortably accommodated 2.5 liters of water in the reservoir, as well as three bottles of wine, a mid-layer, vest, and shell. 

All Rev packs include Osprey’s new reservoir, which is about 50 percent lighter than its predecessor. It also has a detachable hose for easy filling and two baffles to prevent the liquid from sloshing around while you run. 

With plenty of utilitarian bells and whistles in a lightweight package, the Rev will make you feel like a dromedary on a diet. And maybe even a gear-crushing guinea pig.

$110, ospreypacks.com 

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