Mountain Equipment's lightest waterproof shell is the Impellor. It utilises the amazing Gore-Tex Shakedry fabric to provide excellent weather protection and breathability in an incredibly lightweight package. This jacket stands out as a superb fastpacking, running and mountain marathon piece.
Mountain Equipment says:
Our very lightest and smallest packing shell making full use of GORE-TEX SHAKEDRY™ Hike fabric technology. With persistent beading, exceptional breathability and an astonishingly fast drying time the Impellor SHAKEDRY™ Jacket is the only choice for the very fastest mountain journeys. Fully waterproof in spite of its low weight and tiny pack size this is a shell that still performs when caught out far from the valley floor.
Mountain Equipment's Impellor Gore-Tex Shakedry Jacket uses some pretty amazing technology to produce a top quality waterproof shell. The use of 2 layer Gore-Tex Shakedry allows the weight to be kept low, under 200g for the medium size, while the minimalist design is functional and practical without adding any unnecessary weight. The small pack size that goes with the low weight illustrate that this is a jacket that suits light and fast adventures and not a big, hardwearing, wear-all-day type of shell.
The key advantage of the Shakedry is the persistently beading outer fabric, no need to top up the DWR (though will need regular cleaning). Shake Dry is also super breathable so it is well suited to more intense mountain activities. It does have a very different feel to other hard shell fabrics which might take some getting used to but it certainly stands out from the crowd and has performed brilliantly so far.
The 'active fit' includes pre-shaped articulated sleeves which make it much more comfortable in terms of your range of movement and this is appreciated when worn for a long time. A simple adjuster on the hood, a semi-elasticated drawcord on the hem and thumb loops combined with cuff tensioners allow you to adjust it enough to keep the weather out. There is a single chest pocket that also acts as a vent but you can just unzip the jacket if you need to dump heat.
- Reviewed by Ultralight Outdoor Gear
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