I wore Marks and Spencer thermals instead of turning on the heating' - Wales Online

Can layering up in M&S thermals help you save on heating bills?

2pk Heatgen™ Light Thermal Long Sleeve Top, M&S Collection

2pk Heatgen™ Thermal Light Built-up Shoulder Vest, M&S Collection

M&S just launched £35 'cosy' thermal jeans – and they're a winter wardrobe essential - OK! Magazine

Heatgen™ Medium Thermal Long Sleeve Top

Marks & Spencer thermals - M&S seeing huge uplift in sales of these winter thermals

The Best Winter Thermals for Women

M&S shoppers praise £16 thermal leggings that are 'perfect' for winter and 'go with everything' - Daily Record

B&M selling XXL energy saving thermal blanket for £18 amid 40% off sale - Chronicle Live

2 Pack Thermal Heatgen™ Long Johns