This all natural 13.5 tog goose feather and down duvet provides luxurious comfort year round and features ethically sourced materials for your peace of mind. We use feathers that are RDS (Responsible Down Standard) Certified, meaning they are ethically sourced from farms with sustainable and cruelty-free practices so you can sleep with peace of mind. Goose feathers and down mould to the shape of the body for a sumptuously soft and snuggly duvet, while the 13.5 tog rating is ideal year round for cold sleepers or during the colder months of autumn and winter. The 100% cotton casing is breathable to prevent you from overheating during the night and has exceptional absorbency to keep you comfortable during the night. Natural duvets are a long lasting luxury product that will keep you comfortable for years to come.Casing: 100% CottonFilling: 100% Goose feathers and downAvailable in single, double, king, super king and emperor sizes13.5 tog rating is ideal for cold sleepers all year or in autumn and winterLuxury materials create a long lasting duvet for years of comfortSponge clean only.