Breathable Insulated JacketOutdoor Research Helium Insulated Hoodie$199, 11 oz. (men’s medium)Sizes: men’s S-XXL, women’s XS-XLmoosejaw.com On
Breathable Insulated Jacket
Outdoor Research Helium Insulated Hoodie
$199, 11 oz. (men’s medium)
Sizes: men’s S-XXL, women’s XS-XL
On a late-September backpacking trip in Yosemite, this lightweight and packable puffy jacket kept me warm on evenings and mornings in the 40s Fahrenheit—including one morning when a steady, chilly breeze blew through our camp beside Yosemite Creek, even though I wore it over just one midweight, long-sleeve base layer. But the story only begins there. The Helium’s breathable synthetic insulation greatly expands its versatility to four seasons, wet weather, and wearing it while hiking, climbing, or pursuing backcountry snow sports in cool to cold temps. And it’s made from partly recycled materials.
Considering its low weight and bulk, I was surprised by the Helium’s warmth. Its breathable and stretchy, 60g VerticalX ECO SR insulation delivers not only a high warmth-to-weight ratio and the usual benefit of synthetic insulation—trapping heat even when wet—but it derives from Repreve recycled polyester and 37 percent plant-based Sorona textile. Beyond its green creds, the combination of these materials produces an insulation that lofts more than some synthetics and 20 percent more than OR’s previous VerticalX iteration. It even gives the jacket an almost down-like appearance.
A hood always boosts an insulated jacket’s warmth proportionately greater than the additional weight and bulk it brings and the Helium’s adjustable, helmet-compatible hood seals neatly around your head and face to help keep warmth inside.
Likewise, the wind- and water-resistant, 15- by 30-denier Pertex Quantum shell fabric is made from 41 percent recycled materials. And Diamond Fuse technology, consisting of yarns with interlocking, diamond-shaped filaments that resist snagging, reinforces the shell’s strength: OR says it is twice as durable as fabrics commonly used in this category of insulated jackets, without increasing its weight.
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The standard fit leaves space for a couple of base layers and a light, insulated vest while remaining low-bulk—it’s very comfortable to wear on the move. The length extends to mid-butt. The two very spacious, zippered hand pockets hold winter-weight gloves and smaller items and are positioned above a backpack’s hipbelt or a climbing harness belt. Smart design details include an adjustable hem and low-profile stretch cuffs, which pull over light gloves or mittens or fit easily underneath the gauntlet of heavier handwear.
Weighing just 11 ounces (men’s medium), the jacket stuffs into its left pocket, packing down to slightly larger than a liter bottle—a valuable quality in any season.
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The lightest, most packable insulated jacket in OR’s collection, the Helium Insulated Hoodie could become the most versatile piece in your layering system, useful for wearing in camp on three-season backpacking trips as well as when exerting in cold-weather activities like hiking, climbing, and snow sports.
You can support my work on this blog, at no cost to you, by clicking any of these affiliate links to purchase a men’s Outdoor Research Helium Insulated Hoodie at backcountry.com, moosejaw.com, or outdoorresearch.com, or a women’s Outdoor Research Helium Insulated Hoodie at moosejaw.com or outdoorresearch.com.
See my other reviews of breathable insulated jackets, my picks for “The 10 Best Down Jackets,” and all of my reviews of outdoor apparel that I like.
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NOTE: I tested gear for Backpacker Magazine for 20 years. At The Big Outside, I review only what I consider the best outdoor gear and apparel. See my Gear Reviews page at The Big Outside for categorized menus of all of my reviews and my expert buying tips.