Heatgen™ Max Thermal Fleece Leggings
Shop this Heatgen™ Max Thermal Fleece Leggings at Marks & Spencer. Browse more styles at Marks & Spencer Norway
These supersoft, lightweight leggings will keep you cosy on colder days. They're made from fleece with Heatgen™ Max technology which helps to lock in heat for maximum warmth. Added stretch in the fabric offers a comfy, flexible feel.
![](https://cdn.symeonidesfashion.com/wp-content/uploads/2022/03/SD_02_T32_9210_AS_X_EC_0.jpeg)
Heatgen Plus™ Fleece Thermal Top - Marks and Spencer Cyprus
Made with Heatgen Plus™ thermal technology, these lightweight leggings are great for staying warm on chilly days. Added stretch for a comfortable fit.
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Heatgen™ Max Thermal Fleece Leggings, M&S Collection
![](https://hips.hearstapps.com/vader-prod.s3.amazonaws.com/1671551879-thermal-leggings-1671551823.png?crop=0.830xw:0.959xh;0.162xw,0.0123xh&resize=980:*)
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John Lewis Heat Generating Thermal Leggings, Black at John Lewis & Partners
Heatgen™ Medium Fleece Thermal Top, M&S Collection
Heatgen™ Medium Fleece Thermal Leggings, M&S Collection
![](https://cdn.symeonidesfashion.com/wp-content/uploads/2022/10/SD_02_T32_9200M_VP_X_EC_0.jpeg)
Heatgen Plus™ Thermal Long Sleeve Top - Marks and Spencer Cyprus