Stay cosy in any weather, thanks to this long-sleeved thermal top. Turtle neck style, with a new and improved stretchy fit. Lightweight and super-soft
Heatgen™ Medium Thermal Turtle Neck Top, M&S Collection
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These £32 thermal sets will keep you warm and cosy this winter
Marks and Spencer Heatgen review: We dressed heat-to-toe to test
Marks & Spencer Underwear - Men
This lightweight long-sleeved thermal top is designed to keep you extra warm when the temperature drops. Heatgen Plus™ fabric is brushed on the inside
Heatgen™ Medium Thermal Long Sleeve Top
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