SUNS Maddie color change shoes. Breathable natural cotton twill upper with non-toxic eco-friendly UV color-change finish provides a brilliant color changing effect when you step into the sun. Lace up front with twin gore elastic on the tongue so it can be worn as a slip-on! Each pair packaged with a UV keychain light for temporary "writing/doodling" on your SUNS color change shoes. Memory foam insole. Rubber outsole. Imported.