These designer prescription glasses are made to accommodate most prescription lenses.Made of metal, the frame can be easily adjusted for a perfect fit with your prescription lenses. Your frame purchase includes free standard shipping charges, and manufacturer packaging. You can add doctor verified prescription lenses, add custom polarized lenses, and many other lens options if you desire them. Like all Invincilites products, the Invincilites Invincilites Zeta C provides the sophisticated and classic look that we all need. Invincilites Invincilites Zeta C frames have a rectangle shape, which helps to balance rounded facial features. Frame shape is the most noticeable feature of a pair of glasses, followed by frame color and frame size. Top brands always have a large collection of rectangle frame shape glasses, as well as oval frame shape glasses.Invincilites Invincilites Zeta C frames feature a fashionable rimless frame design. This is the lightest design. It reveals most of the face compared to a full or half rim design. It is frequently used by newscasters and Hollywood actors. See all Invincilites Invincilites Eyeglasses INVINCILITES® by Zyloware offers rimless technology for the 21st century by keeping the focus on the eyes, not the eyewear. Each style is designed using lightweight materials appropriate for men and women of all ages. • BETA Collection is hypo-allergenic, 100% beta titanium. Unlike other rimless beta titanium frames, Invincilites® BETA fold flat. • SIGMA Collection features customizable ultra-thin stainless steel metal bridges and stainless steel endpieces for adjustability, with colorful Grilamid® temples that fold flat.