Heatgen™ Medium Thermal Leggings

Equally perfect for layering or lounging, these versatile thermal leggings have your cold-weather comfort covered. Our innovative Heatgen Plus™ fabric

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Marks Spencer Heatgen™ Thermal Leggings Gray, 42% OFF

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2pk Heatgen™ Thermal Light Leggings, M&S Collection

Made with Heatgen Plus™ thermal technology, these lightweight leggings are great for staying warm on chilly days. Added stretch for a comfortable fit.

Heatgen™ Medium Fleece Thermal Leggings

M&S Collection Heatgen™ Medium Thermal Strappy Vest - ShopStyle Tops

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M&S Collection Heatgen Thermal Leggings with Cashmere

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