UV400 protection means that they filter out all UV rays with a wavelength of up to 400 nanometers. This includes both UV-A and UV-B. All Fladen sunglasses carries full UV 400 protection. Polarized sunglasses removes unwanted reflections such as glare from water, wet asphalt, snow and other flat reflective surfaces. Therefore, it is the perfect choice for activities like, fishing, driving, skiing and other outdoor activities. Frame Material: Frame Color: Lens Material: Lens Color: UV Protection: Floadting Matt Black TAC Polarized Grey UV400