Rab Microlight Summit

Best warmth to weight ratio layer from the Fall/Winter 2018 Gear Guide.
Microlight Summit
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Lots of puffies are warm, but few insulate like the Microlight Summit. It hoards your hard-earned warmth with seamless baffles, effective stretch cuffs, and the test’s best hood gaiter. In lieu of stitching, the baffles are woven into the nylon Pertex Quantum Infinity face fabric without creating any holes, which makes the jacket fully windproof while shedding weight and bulk. “I have puffies that are twice the weight and nowhere near this warm,” says one tester. “It packs down to the size of a small peanut butter jar, which makes it my go-to emergency jacket.”

THE DETAILS

The baffle construction wouldn’t matter if the Microlight wasn’t stuffed with 750-fill down. “It kept me toasty over a fleece and mid-weight baselayer even when temps dropped to -22°F,” said one tester after a three-day ski tour outside Fraser, British Columbia. He deemed the stretch cuffs, which are longer than normal and extra-snug, the best he’s ever used. Ding: A slim alpine fit covers long torsos, but tends to ride up on those with wider hips.

TRAIL CRED

“The hood’s elastic gaiter prevented any gusts from getting through at the temples, and its baffles conserved a ton of heat,” our tester reported after the wind picked up on a tour in British Columbia.
Weight: 1 lb. (m’s L)

Sizes: Men’s S-XXL, Women’s XS-XL

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See more of the best Insulation for Winter 2018

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