What is UV400?

UV400 refers to a standard of protection for sunglasses that blocks ultraviolet (UV) light with wavelengths up to 400 nanometers. This includes both UVA (320-400 nm) and UVB (290-320 nm) rays, which are harmful to the eyes.

Our sunglasses includes UV400 protection, find more information at: https://www.raisewings.com.tw/products