
Overview
The Rab Nimbus is a mid-weight all-purpose synthetic insulated jacket that scored near the bottom of the pack in our ratings. It uses a new type of blown-in synthetic insulation (Cirrus by 3M) that makes it look and feel like a 600-fill down jacket. Unfortunately, the fit of our men’s medium was too restricting under the arms for us to thoroughly field test the jacket. Three people, who fit all 15 other men's medium jackets well, found it too tight to wear comfortably.
Though we don't have enough empirical evidence from field testing, we’re hesitant to recommend this jacket solely because of its insulation. We hypothesize the insulation's short fiber length will be very fragile compared to continuous filament synthetic insulations.Blown-in insulations are primarily intended for fashionable purposes. We highly doubt this insulation will be durable over the long-term. That makes the jacket a poor value.
We have two complaints about the Nimbus’ design:
Login if you are a Premium or Unlimited Member to read the rest of this article, or subscribe now. Word Count: 879 A comprehensive Synthetic Insulated Jacket State of the Market Report will be released on March 25, 2018. When that report is published, we’ll update this review with a comparison summary of this product with other notable products in the review. This jacket is an embarrassment to the Rab brand. This review is part of a comprehensive State of the Market survey of synthetic insulated jackets that has been ongoing for the past two years. Included in this survey: The manufacturer provided a sample of this product to the author with no agreement, requirement, or obligation for media coverage of any kind.
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