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Cold, sunny, blowing, wet—when weather changes every ten minutes, the Airspeed keeps pace with zip-off sleeves and a drizzle-resistant shell. 8 oz; www.lowealpine.com…

With all due respect to Martha Stewart, this shoe is the ultimate control freak. With close-to-the-ground feel and gravity-defying weight, the Highlander is like a racing flat for trails. Speed fanatics will love the stiff sole, and mud wrestlers will envy the aggressive Gryptonite tread, which shook off glop better…

Go ahead and cram this pack full on the hottest day. The stiff Butterfly suspension supports a load of rocks, and a mesh panel lets air cool your back. 3.1 lbs, 1,830 cu in; www.mammutusa.com Bonus: A rain cover is included.

Lab-coat white may be questionable by day, but after dark this shell’s seams shine when caught in the glare of headlights. 4 oz; www.adidas.com…

If you took a razor and cut every gram of fat from a typical trail runner, you’d get the X-1/C. Amazingly, Teva didn’t have to whittle away stability to do it. The trick: The upper’s lacing-and-support system, called Wraptor Lite, pushes your instep toward the center of the shoe while…

Like the Energise, this pack’s air-cooled suspension prevents sweaty-back syndrome. Stretch-woven side pockets didn’t rip when caught on branches, and zipper finger loops made gloved entries a cinch. 2.6 lbs, 1,500 cu in; www.ospreypacks.com Crowd pleaser:It’s available in five different capacities.

Pull on this warm shell when the mercury plummets. The densely knit polyester doesn’t flap in the wind, and a fleecy lining wicks sweat (but adds heft). 12 oz; www.cloudveil.com…

Your boxers weigh more than this full-zip nylon jacket. It blocks the breeze but lets steam out with a latticework of armpit vents, then disappears into your pocket when the wind dies down. 2 oz; www.hellyhansen.com…

Paper-thin silicone-treated nylon, compact size, and a frameless suspension make the Iso superlight—and a good choice for speed hikes. The tradeoff is decreased abrasion resistance and minimalist support. 1.6 lbs, 1,200 cu in; www.gregorypacks.com…

Not counting genetic mutants like ultramarathoner Dean Karnazes—who could probably jog a century in flip-flops—the rest of us need trail runners that can go from dirt to rock to road and do it gracefully. The Vasque Blur accomplishes that trick and then some. The hybrid gave us quick toe-offs…

Judicious use of siliconized nylon—bolstered by 1,000-denier reinforcements—make the Bodie both water-repellent and durable while keeping weight low. 2.5 lbs, 2,000 cu in; www.marmot.com…

So hot you’re tempted to run in sandals? Give your feet the air—and support—they need with the Cardrona. Thin, open-weave mesh means your dogs can feel every cool mountain breeze that blows their way, and vents in the midsole actually let air circulate beneath your feet. The design works…

This climber-friendly pack has a removable hipbelt—a plus when wearing it with a harness—and a weight-shaving detachable lid. Brilliant: Tool attachments double as bottle openers. 2.9 lbs, 2,150 cu in; www.mountainhardwear.com…

If you train like a mailman—neither rain nor sleet will stop you—reach for these submersibles. The seamless upper is sealed with a Gore-Tex XCR liner and reinforced with a see-through TPU rand, which toughens the shoe without marring its clean look. The masochists among our crew raced up Colorado’s…

Ever had one of those days when your feet felt so light it’s like they weren’t quite touching the ground? The X-1/C is the next best thing to bottling that feeling. The secret is shaving every possible gram while still retaining the essentials: cushion, traction, and stability. The Encapsulated…

Trail, road, trail, road: Like other 2006 standouts, this shoe understands your dilemma and solves it with a mix of cushioning, stability, and traction. Sportiva’s climbing-shoe heritage shows in the sticky FriXion AT outsole, and the sharper-than-average heel cut provides good braking on steep descents. Unlike some of the grippiest…

This shoe will make a convert of even diehard roadies. With aggressive tread perched on top of road-shoe-like gel cushioning, and a flexibility that allows the smooth heel-to-toe roll that roadies are accustomed to, the Eagle Trail makes for an easy transition to dirt. Already a trail fan? Get…

This featherweight will make your last pair of trail runners feel like ankle weights, but its stability let us sprint down Boulder’s ankle-eating Mount Sanitas Trail without limping home. Add grippy, multidirectional lugs and snug ankle collars for grit defense and the Attack makes a good choice for fanatics who…

Got control issues? The Trail Comp’s upper contours around your foot like a padded spiderweb, hugging it close to the sole for a supersnug fit. Salomon also slimmed down the ankle and tightened the instep to accommodate female feet. All of the above, plus good traction, equaled mad control…

Don’t resign yourself to bad form. My clunky stride isn’t pretty, and the Radial’s boldly curved outsole helped my foot roll from heel to toe more smoothly than usual—and get quicker rebound. That smoothness, combined with a triple-density EVA midsole and cushy air pad in the heel, made this a…

You’ll look like an astronaut out for a run, but this Space Age polyester pullover—with a water-repellent coating—squashes to the size of a plum. The lone pocket is accordingly tiny. 3 oz; www.brooksrunning.com…

If you’re one of the lucky ones who can trot out the front door and weave together a perfect run on a mix of trail and pavement, stop gloating and buy a pair of Odysseys. At first glance the toothy tread appears to be trails-only, but the low-profile lugs, four-density…

Stretchy taffeta panels in key places—elbows, shoulders, and sides—make the Razor our choice when mobility and breathability (not weather resistance) are the highest priorities. 4 oz; www.orgear.com…

We can only imagine the highly caffeinated sessions that produced the Overdrive. No detail has been left out or unexamined, from integrated drain holes in the outsole to a protected gaiter strap channel under the arch to drawcord lacing that adjusts easily even with cold or gloved hands. Innovative tubular…

If a moon boot gave birth to a trail runner, it would look like the Ochoco. But we doubt it would run as well. The padded ankle, soft tongue, and firm arch support gave us blissful feet after long hours pounding the trail. The just-right midsole has enough cushioning…

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