Waterproof shell 2.75 volumes, light, packable and elastic; a reliable companion for high-level mountaineering and even extreme hiking. Waterproofing is guaranteed by the use of the excellent Dermizax fabric and heat-taped seams. Under the armpits, breathability is guaranteed by the exclusive Shark system invented by Crazy which allows air exchange and the escape of body moisture while maintaining waterproofness. The zip is waterproof, 2 external chest pockets and one internal. Hood with adjustable visor, these are the most evident technical features. Absolutely necessary for those who travel in the mountains in any weather condition.