A great spring and summer sleeping bag. It is made of the ultra light Pertex Quantum fabric which weighs only 35 g/m² therefore is super light and also due to its uncomplicated design weighs just 520 grams.
YKK zipper allows you to connect it to any other sleeping bag in Cumulus collection (apart from Magic and X-Lite). As far as the summer trekking is concerned, it may be impossible to find a sleeping bag with such high parameters. If you are looking for a perfect gear for the spring and summer trekking, this model is the best solution you can possibly choose. However, the most radical fanatics of the “fast and light” philosophy can use it with a down vest, thermoactive underwear and wool socks and acquire a 3-season sleeping bag, weighing just 535 grams!
Cumulus offer the highest possible quality and with the low price break the laws of physics and all other laws.