Kids' nightwear: Get a pair of kids' flannel pyjamas. Four colours: Choose your favourite from four colours (see below). Ages 0-13 years: Available in eight sizes/ages (see below). Soft design: Designed to keep your little one warm without getting too hot and keep supremely comfortable during the winter time. Material: polyester. Kids Flannel Pyjamas | Blue | 0/13 UK | Living Social