This gilet does exactly what it says on the tin. When only the warmest protection will do, Thermowarmth™ comes to the rescue. We’ve gone the extra mile to make sure the tech performs in all conditions, whether that’s a mountain trek or a stroll to the shops. How you use it is up to you. \nM&S Collection: easy-to-wear wardrobe staples that combine classic and contemporary styles. Made with recycled polyester filling.