Cool Pyjamas UK is a nightwear and loungewear brand that is committed to creating a fully sustainable range of high-quality pyjamas. All our fabric is 100% cotton and comes from GOTS approved suppliers. That means no man-made fabrics being washed away into our oceans, and an overall environmentally conscious product. We also aim to create as little waste as possible during the manufacturing process and are constantly looking at ways to reduce wastage.