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HEATTECH Extra Warm Cotton is 1.5x warmer than classic HEATTECH, making it perfect for colder days. Keep cold weather at bay with our HEATTECH Extra Warm Cotton thermal tops, thermal underwear, and winter leggings for women. Designed to be 1.5x thicker and warmer than regular HEATTECH, these innovative winter clothes are ideal for days when the weather just won't stop biting. A raised nap lining on our women's thermal tops and warm leggings provides a soft, fleecy touch for cosiness on the go.
1.5 x warmer than standard HEATTECH, with all the classic comfort.
