The Women's Nova IV Sleeping Bag Long from Mountain Equipment is an extremely warm synthetic bag with a comfortable fit and innovative construction for year round trekking and backpacking anywhere in the world.With Polarloft insulation, the Nova IV will provide a good nights sleep down to -13°C. It features a full-length zip baffle, an integrated collar with lode lock closure and is supplied with a lightweight compression sack for easy storage. Womens Nova IV Sleeping Bag - Long