The SINNER BAUHI sunglasses combine a clean design with reliable protection through brown/gold oil lenses (Category 3) that offer 100% UV coverage. The lightweight and durable bio-based frame is ideal for extended wear. Clear polycarbonate lenses and anti-slip temple tips keep the sunglasses firmly in place. The rectangular frame features an Asian fit and is nickel-free. SINNER Free Insurance: After registration, the sunglasses are insured for free for 1 year against theft, loss and damage.