We tried Marks and Spencer thermals to help save on heating bills

Dianne wore the M&S Thermal Heatgen long-sleeved top, leggings and thermal socks from the range, priced from £10

Slim Fit Stretch Suit Jacket, M&S Collection

Heatgen™ Medium Thermal Leggings, M&S Collection

Stay warm on cooler days with this lightweight Heatgen Plus™ thermal top. Long-sleeved style with added stretch for your best fit. Made from a

Heatgen™ Medium Fleece Thermal Top

2pk Heatgen™ Thermal Short Sleeve Vests (2-14 Yrs), M&S Collection

M&S thermals are saving people from turning on the heating this winter

Reviewing M&S thermals: Staying warm and stylish on the slopes - The Travel Hack

I compared Asda and Primark thermals to Marks and Spencer and there was a clear winner - Dianne Bourne - Manchester Evening News

Money-saving pick of the week: £20 thermal set tops list as it'll 'keep you warm in freezing weather' - Mirror Online

Marks Spencer Heatgen™ Thermal Leggings Gray, 42% OFF

Marks and Spencer Heatgen review: We dressed heat-to-toe to test thermals

M&S shoppers 'couldn't be more happy' about 'luxurious' £60 thermal curtains that 'keeps in the heat in' during chilly snaps - Manchester Evening News

Heatgen™ Maximum Thermal Long Sleeve Top

7 Ways to Reduce Your Heating Costs - Lambert Home Inspections

M&S thermals are saving people from turning on the heating this winter