Comfort (EN 13537:2012): -3 °C Limit (EN 13537:2012): -10 °C Extreme (EN 13537:2012): -29 °C Sleep as soundly as in your own bed with the Perform Down Bag: Head area made from a special material that makes no irritating rustling noises. Sleeping bag design based on a natural sleeping position for sufficient space. Central zipper for optimum climate regulation. Specially for women: temperatures as low as -10°C. Practical for multi-day hikes. Perform Down Bag. The sleeping bag innovation. Warm collar: Yes Intuitive climate regulation with a central 2-way zipper Comfortable, soft material in the hood reduces noise and increases comfort Including deep sleep mask and earplugs to reduce light and noises PFC-free DWR treatment Lining made from 100% recycled polyester Easy-to-use magnetic closure on the insulation collar Improved YKK zipper prevents jamming of material Insulated covering along the zipper to protect from cold bridges and enhance climate comfort Insulation chamber around the hoo