







For chilly days, wear these M&S Thermal Trainer Liners inside your shoes to keep feet warm. Made with Heatgen technology that retains heat while feeling lightweight and stretchy. M&S is a trusted British brand.
Keep feet cosy in chilly weather with these thermal Trainer Liners. This handy three-pack is made from lightweight, supersoft fabric with Heatgen technology that helps retain warmth. The material includes added stretch for all-day comfort, while the trainer liner design sits discreetly in your footwear for a sleek look.
60% acrylic, 29% viscose, 10% polyamide and 1% elastane lycra®
Machine washable