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Outdoor Research Acetylene Jacket

MSRP: $150.00

Buy Now — $150.00

Those that spend any amount of time hiking around in the backcountry know the importance of a strong mid layer. Hiking or skinning with a hard shell can make you overheat, but your base layer won’t always protect the way you need it to. This is where the Acetylene jacket shines.

When your body is exerting a lot of energy in cold weather it needs to be able to maintain its core temperature while releasing excess heat. Outdoor Research has strategically placed different materials on this jacket to get both of those jobs done. PrimaLoft Eco, a synthetic insulator made of 50% recycled material, runs down the front as well as over the shoulders and around the hips for warmth. Radiant Light fleece covers the back and arms to allow for maximum breathability but it isn’t the kind of material that immediately comes to mind when you think of fleece. The inside is a soft and thin, grid-patterned fleece while the outside is smooth to the touch. Best of all, it’s nice and stretchy so it won’t constrict your movement.

Aside from hiking around the backcountry, sometimes it’s just damn cold outside and you need a good mid layer. Throw the Acetylene on under your shell and you’re good to go. Other details include thumb holes, two hand-warming pockets and one chest pocket. It’s available in Black, Glacier/Abyss and Pewter/Charcoal (also known as black, blue and grey) and has the performance fit that you expect form the more technical companies so if you like it baggy, you might want to size up.

Pros: Stretchy, comfortable and light

Cons: It would be nice if the chest pocket was more of an audio pocket