About Koolsun

KOOLSUN is a Dutch brand dedicated to protecting young eyes with stylish, high-performance sunglasses designed specifically for children. Understanding that kids’ eyes are especially vulnerable to harsh UV radiation, KOOLSUN combines everyday wearability with maximum UV protection—offering families peace of mind without compromising on comfort or affordability. Their mission is simple: to make quality sun safety accessible, helping little ones explore the world with confidence and care.