The lights of t-shirts. This is a special tourism, outdoor enthusiasts for development of a new product, violet T-shirt with according to the sun's ultraviolet intensity change their depth of color, can let the effects of professional outdoor enthusiasts can better understand the sun's ultraviolet intensity, so that we can better protect yourself.

This is a very fashionable T-shirt, novel style, it is usually soft fabrics, the best choice in household ~!