Stay cosy during the colder months with these stretch thermal leggings. They're made from lightweight, super-soft fabric, with an elasticated waist for a flexible fit. Our Heatgen™ technology helps to keep you warm when the weather gets chilly.

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

Heatgen™ Medium Thermal Leggings

Marks and Spencer Men's 2 Pack Heatgen Lightweight Thermal Pants