It has a windproof and weather resistant outer shell of Mountain Equipment's own Helium 30 fine denier fabric with its instantly recognisable high sheen. It works well on its own or beneath a hard shell in more extreme conditions. The 80 gram Polarloft micro insulation, like its Helium 30 shell is quick drying and performs well when wet or dry.
Highly compressable the jacket can be stuffed away into one of its own hand warmer pockets. These long zipped pockets provide amble space and easy access even when wearing a rucksack. Its internal pocket is just big enough for a standard OS map.
Mountain Equipment have got the gear for you.