Category 3 blocks 82 to 92 percent of sunlight.
Category 3 indicates the degree of sun protection, which ranges from 0 to 4. Category 3 sunglasses provide a high level of sun protection, making them suitable for normal outdoor activities such as cycling, running, hiking and other sports. They have a lightweight and durable frame, ergonomically shaped beams and ear pads that ensure a stable and comfortable wearing all day long. The glasses meet the ČSN EN ISO 12312-1 standard.