I tested the popular M&S thermals and didn't need to turn on

#xa; Keen to find out if she could save on her heating by investing in Marks and Spencer thermals, reporter Dianne Bourne put the layers to the test - and she was amazed by the result

16 M&S 'slimming' thermal top shoppers are 'wearing when the heating is off' - Daily Record

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I tested the popular M&S thermals and didn't need to turn on heating for hours' - Mirror Online

Liang Rou Women's Scoop Neck Long Sleeve Ultrathin Modal Thermal Underwear Shirt/Top Apricot Small at Women's Clothing store

18 Best thermal base layers for women

Woman leaves people in stitches after sizing up Skims micro bikini using tortilla chips - Mirror Online

I tested the popular M&S thermals and didn't need to turn on heating for hours' - Mirror Online

Best M&S thermals for men and women

I tested the popular M&S thermals and didn't need to turn on heating for hours' - Mirror Online

I tried B&M's cheap thermals and they rival M&S for keeping warm - Manchester Evening News

Best M&S thermals for men and women

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