is a pair of glasses with a UV400/CE-CAT 3 filter. These sunglasses are nickel free and ISO 12312-1. This is a stylish frame for men that helps protect the eyes from the sun. These glasses have a square model with a matte black frame. These sunglasses have blue Revo lenses that make looking in the sun more pleasant. These glasses have a category 3 sun filter that protects against bright sunlight through the dark tinted lenses. Spectrum's polarized glare blocking sunglasses filter out horizontal light. This means that you experience less or no discomfort from the bright, beautiful sun rays that reach your eyes through, for example, the water surface. Polarizing sunglasses give the eyes more rest and are recommended when driving or exercising. Pros and cons Sunglasses with UV400 CE-CAT 3 filter Nickel free ISO 12312-1 Stylish frame Matt black Polarizing