Step stylishly across any terrain with the SINNER Denali sports sunglasses. This dynamic pair is equipped with our photochromic TRANS+® lens technology, allowing it to adapt from category 2 to 4 in seconds. Perfect for activities such as skiing, mountain climbing, and your daily adventures. The side pieces offer extra protection against sun rays, and the black frame is made from durable, flexible, and lightweight TR90 and polycarbonate material. SINNER Free Insurance: Upon registration, your glasses are insured for 1 year against theft, loss, and damage.Features:- Anti-slip nosepad- Nickel freeSpecifications:- 100% UV-protection- TR90 material- Polycarbonate frame- Polycarbonate lenses