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  • Kids' HEATTECH Ultra Warm thermals

    HEATTECH Ultra Warm is 2.25x warmer than classic HEATTECH, making it the best choice for extreme cold conditions and winter sports. Looking for warmth in the extreme cold or for when your child will be spending extended periods out in chilly weather? The incomporable performance of HEATTECH Ultra Warm is here. 2.2x thicker and warmer than classic HEATTECH, this collection of thermal tops and thermal leggings fends off intense cold with ease while sitting comfortably beneath the rest of their outfit. It's our most powerful, most insulating HEATTECH yet.