Frame size is determined by the three key measurements found inside the frame arm: lens width (from 31-60mm), bridge width (from 12-31mm), and arm length (from 115-155mm).
Your lens height (mm)
42
Lens height is essential for multifocal prescriptions, such as Progressives, which require a minimum measurement of 28-30mm. They are also recommended for Rx sunglasses.
The Main + Central Winthrop glasses feature a unique take on a classic. Fully constructed with acetate, the timeless D-frame silhouette will add a sleek appeal to keep you looking on point in all directions. Built with durability in mind, this pair includes spring hinges. Making it a must-have for everyday wear.
