Mountain Equipment Helium 800 Sleeping Bag

The Helium Collection consists of Mountain Equipment's lightest sleeping bags, and the Helium 800 Sleeping Bag is the warmest in the collection. Its lofty 700 fill down insulation ensures warmth in freezing temperatures, and the bag still retains a slim weight barely exceeding a single pound. A bag built like this is best used on winter hut trips, Himalayan expeditions, or seasons spent trekking through the Andes.