Sunglasses Size Chart

If you own a pair of glasses, you can easily compare sizes by finding the size of the ones you own. Inside the temple (arm) of your glasses, you'll find three numbers to help identify the size. 

Frame Size Eyeglasses Lens Width Sunglasses Lens Width
Small  Below 48mm  Below 55mm 
Medium  48mm to 55mm  56mm to 64mm 
Large Above 55mm  Above 64mm