Regular fit Extremely lightweight Nanuk 100 provides a soft handle 2 hand pockets keep you ressentials close Suitable for walking, climbing and general moutaineering The classic summer fleece for hiking trips. The Kiruna is made of Jack Wolfskin's Nanuk 100 ECOSPHERE fleece and provides light insulation for those cooler summer days. The jacket has a compact packed size, so you can keep it in your rucksack on standby for when it gets cooler higher up the hill. It'll also zip up into one of the brand's compatible shell jackets - handy when that impromptu Autumn walk turns out to be a bit chillier than expected.