A modular system comprising of two sleeping bags (which can be bought separately or as a set) the two bags can be zipped together using a detachable baffle to give an extreme bag with the convenience of single centre zip opening. Zip Style: Central Quick-Release Zip Shape: Mummy Temp Rating: Comfort: -7°c Temp Rating: Extreme: -10°c Weight: 1800g (inc. compression stuff sack) Packsize (Fully Compressed): 23x23cm ('How to' Guide) Packsize (Uncompressed) Length: 220cm Width (Chest): 165cm