Overview
The Outdoor Research Uberlayer is an active insulation jacket that scores below average in our ratings. It weighs four ounces more than similar jackets but does not make up for the extra weight with added comfort, durability, warmth, or lower cost. The Uberlayer performed reasonably well in our tests.

Features and Specifications
- 18.2 oz. (516 g);
- Two handwarmer pockets, one exterior chest pocket, two interior drop-in pockets;
- Two-way zipper;
- Helmet-compatible hood.
Performance Assessment
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Overview
Discussion
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Companion forum thread to: Outdoor Research Uberlayer Review
This Outdoor Research Uberlayer Review features an active insulation jacket that weighs about four ounces more than similar jackets but does not make up for the extra weight with added comfort, durability, warmth, or lower cost. The Uberlayer performed reasonably well in our tests.
If your biggest beef about this active insulation was the weight and feeling of the mesh liner, why didn’t you look at other offerings from OR? The OR Ascendant Hoody is lighter, and has no inner fabric. The Alpha insulation is exposed on the inside.
Jeff, that was my thought exactly. The OR Ascendant hoody weighs a claimed 13.0 oz, which is a whole 1.4 oz lighter than the top-recommended Arcteryx Proton LT. The Ascendant uses the same weight of PolarTec Alpha insulation as the reviewed Uberlayer, so I assume they would both be the same warmth. And according to Max’s review, the Uberlayer is the same warmth as the Proton LT and Nano Air.
So Max, I have two questions if you would be kind enough to reply. First, how do you think the OR Ascendant hooded jacket would compare in this review?
And, you state that PolarTec Alpha insulation is not durable? Can you please explain why? I thought that since Alpha is basically long-pile fleece, it would not break or lose loft like short-fiber, loose synthetic insulation fills having very small fiber diameters. I’ve not noticed my fleece layers losing loft. Do you have experience with Alpha not being durable?
I am asking sincerely, because I plan to buy either the Proton LT or the Ascendant hoody soon, and I want to make sure I correctly understand the pros and cons of each.
if I recall correctly, Richard mentioned that Polartec Thermal Pro High Loft loses up to 30% insulation from compression but that is restored from being fluffed in a dryer.
Max or Ryan, do you have any further information on why you say the Polartec Alpha insulation is not durable?
You might try to PM Max for an answer. Looking at his profile he does not seem to post replies to articles, just to his posts in Gear Swap. That’s a shame, particularly with so many reviews.
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