£180 (was £300) www.berghaus.com
Easily the most breathable jacket in this roundup, the GR20 is another uber-lightweight shell made in Gore-Tex Active. The breathability comes through vents at the back of the neck, under the arms and on the chest. These slits let hot air escape, while the deep storm flaps that cover them stop rain getting in – it sounds crazy using a rain jacket with holes in, but it works unless the rain is horizontal! There are two rib pockets, both mesh lined, which allow you to vent still further, and well-fitting hood, which only offers a single adjuster at the back but still covers most of the chin and offers a good deal of protection without flapping.
There’s another couple of adjusters at the waist, although I found this jacket to be close fitting at the hips. The sleeve design is excellent – good movement, a cut which part covers the back of the hand and loosely elasticated. The zip is one way but has a rear stormflap.
It’s not a winter spec’d jacket by any means, but for high energy running, biking and hiking, this is a great option. It packs tiny when not in use, has stayed waterproof and was quick to dry. Weight 277g.
► Verdict: A lightweight 2 season hardshell, prioritising breathability.
► Best for: Higher energy activities walking, running and biking.
Review by David Lintern @davidjlintern