Duvet: Get a 10.5 tog duvet. Goose feather duvet: Made with super-soft, natural goose feather (85%) and down (15%). 100% microfibre: With a 100% microfibre downproof. Thread count: 300 thread count. Sizing: In sizes single-super king! | 10.5 Tog Goose Feather & Down Duvet | Wowcher