For cold-weather comfort, these lightweight thermal underwear long johns provide warmth without bulk. Cut to a regular fit for easy movement, with soft seams for comfort. Heatsealed care labels ensure all-day comfort. Heatgen™ technology helps your body stay warm by generating and retaining heat. A practical fly front fastening completes this functional layering item.
M&S Collection: Easy-to-wear wardrobe staples that combine classic and contemporary styles.
Composition: 38% acrylic, 29% cotton, 29% viscose and 4% elastane lycra® (exclusive of trimmings)
Ribbing - 39% acrylic, 30% cotton, 29% viscose and 2% elastane
Care instructions: Machine washable
Tumble dry