Travel Sheet Merino Wool from Cocoon is a sleeping bag sheet. You can use it as just a sleeping bag, on really hot days. You can also slide it down in your sleeping bag, to increase the temperature by approximately 7 ° C down in your sleeping bag. Or just use it like a normal sheet. \n\nMade of 100% merino wool, which effectively wicks away moisture and regulates temperatures to your advantage.Fabric: 100% merinowool Raises the temperature by 7 ° C if you use it inside your sleeping bag Cocoon Travel Sheet Merino Wool Black | Buy Cocoon Travel Sheet Merino Wool Black here | Outnorth