*Suitable Temperature: 400g high quality white goose down; Comfortable Temperature:1 6℃/42.8℉;Limit Temperature: 0℃/32℉;Extreme Temperature: -10℃/14℉. Depending on the different body conditions, the comfort temperature will be different.**Fabric and Lining: 15D/400T nylon; Comfortable Sleeping Bag: 800 filling power and very soft skin fabric, 95% pure white goose down, keep you warm and comfortable all night.