Silhouette Rimless Shades 8190 in 3530 frame color featuring dark grey lenses. Calella, with its subtle design and oversized lenses, integrates sun protection and comfort, further enhanced by ultra-lightweight titanium temples. These sunglasses are your perfect accessory wherever you roam. Offering superior wearing comfort, these hypoallergenic and screwless glasses have a base 6 curvature. The lenses are crafted with a backside anti-reflective coating, made from high-impact polycarbonate, and provide full protection from UV A, B, and C rays, equivalent to UV 400. Silhouette prioritizes the perfect harmony of frames and lenses to ensure an optimal visual experience, as lenses are specifically tailored to their respective frames. Silhouette's Vision Sensation® lenses, crafted predominantly by hand and with the highest precision, are 100% made in Austria. Furthermore, the advantages of Silhouette's Vision Sensation® technology are now available in their sunglasses as well.