The SINNER YACAN sunglasses provide optimal protection with polarised SINTEC® smoke lenses (Category 3) offering 100% UV protection. The bio-based frame is both lightweight and durable for long-lasting comfort. The polycarbonate lenses deliver clear vision, making them ideal for any outdoor activity. Featuring a rectangular design and Asian fit for a perfect, comfortable fit. Nickel-free. SINNER Free Insurance: After registration, the sunglasses are insured for free for 1 year against theft, loss and damage.