HEATTECH Ultra Warm Thermal Leggings
![HEATTECH Ultra Warm Thermal Leggings](https://image.uniqlo.com/UQ/ST3/WesternCommon/imagesgoods/460527/item/goods_08_460527.jpg?width=450&impolicy=quality_70)
Ultra Warm is 2.25 times* warmer than our regular HEATTECH. Stretch fabric is easy to layer.<br>- 2.25 times warmer than our regular HEATTECH. *Based on CLO values, which measure clothing
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