I dressed all over in M&S thermals to see if it saved putting the

Dianne Bourne put Marks and Spencer's range of thermal wear to the test following advice to "heat the human, not the home"

Emprella Thermal Underwear for Women, Ultra Soft Long Johns Womens

Richard Blackledge - YorkshireLive Online

M&S thermals help woman keep heating off for hours in 'impressive

Martin Lewis money saving team can't get enough of 'brilliant' £10

Heatgen™ Medium Short Sleeve Thermal Top, M&S Collection

M&S Womens 100 Denier Thermal Tights, Extra Large, Black

M&S shoppers are snapping up 'warm and snuggly' borg jacket in

I tried Shein's £4 sheer thermal tights - and you'd be a fool not

Ikea winter sale on everything from Christmas decorations to

Marks and Spencer 'cosy' £35 thermal skinny jeans shoppers say are

M&S fans ditch heating for hoodie blanket that costs less than 3p

I tried £10 Martin Lewis hack to stay warm for a week - it's a

Marks and Spencer's £20 'toasty' item has shoppers 'turning