Kids’ Innerwear & Airism

Keep little adventurers comfortable, whatever the weather with soft AIRism innerwear, lightweight cotton layers and the unmatched performance of HEATTECH. Breathable AIRism helps to wick sweat away from the skin, prevent odours and layers seamlessly under their everyday clothing with a soft, cooling feel against the skin. During the colder months, our revolutionary bio-warming HEATTECH uses moisture released by the body to generate heat when it's needed most. Choose from three grades of varying levels - HEATTECH Jersey, HEATTECH Extra Warm and HEATTECH Ultra Warm.

HEATTECH T-Shirts & Tops

Whether they're staying in or heading out, make sure little explorers remain cosy in any weather thanks to HEATTECH. These innovative thermal tops come in a range of grades offering varying levels of heat. Opt for HEATTECH Jersey for everyday comfort inside or out. Choose HEATTECH Extra Warm for those days when the chill won't stop biting. For really challenging temperatures, go for HEATTECH Ultra Warm - 2.2x thicker and warmer than regular HEATTECH Jersey for high-performance thermals you can really rely on.

HEATTECH Trousers & Leggings

Discover HEATTECH, the innovative bio-warming technology that keeps kids warm in any weather. Our range of trousers and leggings for kids come in a range of styles and sizes, with multiple grades of HEATTECH offering varying levels of heat.


With all the exploring their feet do, your avid adventurer can never have too many socks or tights. Our range of socks for kids contains HEATTECH options that are ideal for keeping little legs toasty, while our ankle socks are great for outdoor activities and warmer days. Choose from unique and traditional print patterns in a palette of vibrant, exciting colours.


Our range of warming accessories for kids includes cosy gloves and hats, all with our innovative thermal HEATTECH technology that helps to generate heat and keep you warm. Choose from plain designs or try one of our vibrant collaborative prints.