There are a few things you need to look out for when choosing a jacket for the trails. Obviously a waterproof jacket needs to be, well, waterproof, but it has to be more than that. You need a jacket that's roomy enough to allow decent airflow without being flappy whilst running. It has to fit so that it allows for natural movement whilst covering your arms and body. Are you looking for a hyper minimalist jacket for races or something that can be worn every day? Thankfully, Jen Benson is on hand to test the best jackets available to help narrow down your options.

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