Mens M&S Collection Heatgen™ Medium Thermal Long Sleeve Top - Grey, Grey

We've made this medium-warmth, cotton-blend thermal vest extra soft on skin, so you can feel cosy on chilly days. Regular fit style with a stretchy ribbed neck for a better fit. Made with compact-spun fabric for warmth and supersoft seams for maximum comfort. Insulating brushed back cotton ideal for wearing in cold conditions. Our clever Heatgen™ technology uses an innovative fibre blend, helping your body to generate and retain heat so you can stay warm when the weather gets chilly.