This Slumberdown Cosy Nights 15 Tog Winter Duvet features a soft touch microfibre cover and snuggly hollowfibre filling, ensuring you achieve a cosy night’s sleep throughout the year. As well as being extremely comfy, you can also sleep easy knowing that there’s nothing in this duvet that can cause allergic reactions, as it’s naturally hypoallergenic. The Cosy Nights duvet from Slumberdown is heavyweight and snuggly, and gently wraps around the contours of your body so it stays with you as you move during the night. Being a heavy-weight 15 tog duvet, it's a great option for winter use.