A lighting vest/strap which can be used during sports, that works on solar energy. Why? When people sport in the dark, it is importent that other people and car drivers can see you. Most lighting vests work on batteries. This lighting vest works on solar energy. The transport of the lights is by boat, to keep the Co2 emission low. And the packaging is also sustainable because it is of recycled paper. They never use plastic and the padding is of biobased material.