Use Promo Code SAVE10 To Get 10% Off Your First Order

How To Tell What Mm Your Persol Sunglasses Are

Have you ever found yourself staring at your favorite pair of Persol sunglasses, wondering what the mysterious "mm" number means? Well, fret no more! In this article, we'll unravel the mystery behind those two little letters and guide you through the process of determining the mm size of your Persol sunglasses. So, grab your shades and let's dive in!

Understanding the mm Size:

The mm size of your Persol sunglasses refers to the lens width, specifically the horizontal distance between the two outer edges of the lenses. It plays a crucial role in determining the fit and style of your sunglasses. Different mm sizes are available to accommodate various face shapes and personal preferences. So, knowing the mm size of your Persol sunglasses will help you make informed decisions when it comes to purchasing new pairs or replacing your lenses.

Step-by-Step Guide to Determine the mm Size:

1. Locate the Model Number:

The first step is to locate the model number of your Persol sunglasses. It is usually found on the inside of one of the temples or on the bridge of the sunglasses. The model number typically consists of a combination of letters and numbers.

2. Identify the mm Size Indicator:

Once you have found the model number, look for a number followed by the letters "mm." This number indicates the mm size of your Persol sunglasses. For example, if you see "52mm" after the model number, it means your sunglasses have a lens width of 52mm.

3. Measure the Lens Width:

If you cannot find the mm size indicator, don't worry! You can measure the lens width yourself using a ruler or a measuring tape. Place one end of the ruler on the outer edge of one lens and measure horizontally to the outer edge of the opposite lens. The measurement in millimeters will give you the mm size of your Persol sunglasses.

4. Consult the Persol Website or Retailer:

If you are still unsure about the mm size of your Persol sunglasses, you can always consult the official Persol website or visit a Persol retailer. They will have detailed information about each model, including the mm size. You can provide them with the model number, and they will assist you in determining the correct mm size of your sunglasses.

Why Does the mm Size Matter?

Knowing the mm size of your Persol sunglasses is crucial for several reasons:

1. Comfortable Fit:

Different mm sizes are designed to fit various face shapes and sizes. Wearing sunglasses with the right mm size ensures a comfortable fit that won't pinch or slide down your nose. It's essential to find the perfect fit for optimal comfort during extended wear.

2. Style and Proportions:

The mm size also affects the overall style and proportions of your sunglasses. A larger mm size can give a bolder and more prominent look, while a smaller mm size can provide a sleek and understated appearance. Understanding the mm size allows you to choose sunglasses that complement your style and enhance your overall aesthetic.

3. Replacement Lenses:

If you ever need to replace the lenses of your Persol sunglasses, knowing the mm size is crucial. It ensures that you purchase the correct size lenses that fit seamlessly into your frames. Mismatched lens sizes can affect the visual appeal and functionality of your sunglasses.


Determining the mm size of your Persol sunglasses doesn't have to be a daunting task. By following the steps outlined in this article, you can easily find the mm size and make informed decisions when it comes to purchasing new pairs or replacing your lenses. Remember, the mm size plays a vital role in comfort, style, and functionality, so it's worth taking the time to understand and appreciate its significance. Now that you're equipped with this knowledge, go ahead and rock your Persol sunglasses with confidence and style!