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 Airlock products, the Airlock AIRLOCK PROSPER CHASSIS provides the sophisticated and classic look that we all need. Airlock AIRLOCK PROSPER CHASSIS 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.These Prescription Glasses feature fashionable rimless frame design. Light and sleek, this design requires high index or trivex lenses.2-year warranty. The warrantee by the manufacturer covers manufacturer's defects for the frame. As an online optical superstore, we can help to process a warrantee for you with the manufacturer, according to their return policy. Airlock Glasses Airlock glasses are made by Marchon, one of the world's largest eyewear makers. Airlock glasses are defining the way sport rimless glasses frames are designed. With a unique and new lens positioning system, which uses pressure instead of screws to keep the frames in place, this brand is setting itself up for long term success. Airlock glasses pride itself on a more secure fit, and a lower chance of damage. Airlock glasses can be purchased in a range of colors. Some of their lines include large and gorgeous temples in bold colors. Airlock glasses collection also include frames with edgier shapes and trendier fashion styles. Airlock glasses can all be customized with prescription lenses, just like all of our glasses.