The Mammut Relax Down 32 Sleeping Bag is a 3-season down insulated bag designed for luxurious comfort at the campsite. Design details, including noise-reducing hood materials and a quiet 2-way center zip for smooth temperature regulation, are all focused to provide relaxing and restorative sleep. RDS-certified duck down provides lofty warmth, and the spacious mummy cut offers comfort for back sleepers, side sleepers, stomach sleepers, and notorious wiggle worms.