Helly Hansen has released a special tech shell jacket designed to automatically adjust to your body heat. Using a fabric called, Phase Change Material, the fabric acts like a thermometer, it uses paraffin to store and release heat when needed the most. Paraffin is used in sheet rock for residential buildings as an insulator – it melts as it absorbs heat and hardens when it cools down, releasing the stored heat internally. The result is a $550 smart jacket that adjusts to your surroundings whether it be the cold water front in the winter or the hot and cramped car on the el.
See it here at Outside.away.com.