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)
37
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.
Bold design and sophisticated dimensions combine to create the contemporary Derek Lam Crosby 310 eyeglasses. The glossy acetate frame front features a large rectangular style that adds flattering definition to soft features and rounded jaw lines. The slim yet sturdy frame arms come equipped with flexible spring hinges to ensure a comfortable fit on medium to large faces.
