

These M&S Men's Thermal Long Johns offer medium-level warmth for cold weather, featuring Heatgen technology to retain body heat. Made from a breathable cotton blend, they ensure comfort and are machine washable for easy care.
Stay cosy with these cotton-blend thermal long johns. Regular fit, offering a medium level of warmth. Made from an insulating brushed-back cotton blend that's breathable for extra comfort. Finished with ultra-soft seams for snugness.
M&S' 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. We only ever use responsibly sourced cotton for M&S' clothes.
Preparation and Usage: Machine washable. Tumble dry.
50% cotton, 26% polyester and 24% viscose (exclusive of trimmings).