Ray-Ban Size Guide

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This guide explains how to choose the right sunglasses or optical glasses size, either by the size of the lens or by looking at your current shades.*

*This guide is effective for Ray-Ban Aviator sizes, Ray-Ban Wayfarer sizes, Ray-Ban Clubmaster sizes and all Ray-Ban models.

Important note: for the great majority of people – more than 90% of our customers – Standard Size offers the correct fit. It is very likely the correct size for you too.

If this is your first pair of Ray-Ban, the following rule of thumb will help you determine the correct size for you.


RAY-BAN Sizing


If you have an old pair of Ray-Ban and you want to know what the numbers printed inside the temples mean, here is an explanation.

The measurements don’t need to be exact, they change from model to model, but the closer they are to those of your old glasses, the more similar the new ones will look on your face.


Most of our sunglasses and eyeglasses have the size measurement printed on the inside of the left temple (the piece that goes behind your ear). This usually consists of three numbers – sometimes only the first two are printed – for example: 50 20 150.
The third number in the sequence represents the temple length; it is the measurement in millimetres of the ‘arms’ of the frame.

RAY-BAN Sizing


The first number in the sequence refers to the width of the lens (50-20-150).
The front measurement includes the diameter of the lens and the width of the bridge, measured in millimetres and usually separated by a small dash or rectangle (e.g.: 50 – 20).
The lens diameter is the width of the lens, measured from the bridge, and the width of the bridge is the distance between the lenses above the nose, as shown in the figure below. Sometimes, the vertical measurement of the lens and the length of the arms are also included.

RAY-BAN Sizing


The second number in the sequence refers to the bridge width (50-20-150). Typical widths are 12-26 millimetres. The bridge measurement is the distance between the lenses.

RAY-BAN Sunglasses – Justin Classic – Black – Grey Gradient Lens

Ray-Ban Size Guide

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This product is currently out of stock and unavailable.


RAY-BAN Sunglasses – Justin Classic – Black – Grey Gradient Lens

Ray-Ban Justin sunglasses may just be one of the coolest looks in the Ray-Ban collection. Inspired by the iconic Wayfarer sunglasses, this style has been redesigned with slightly larger rectangle lenses, fresh new frame colours, stunning coloured lenses and a rubberized frame finish to really give it that extra edge. Justin RB4165 sunglasses are bold, fun and unforgettable. These sunglasses come in traditional frame colours such as black, grey, brown and tortoise, as well as some total statement-making colours such as red, violet, blue, fuchsia, turquoise and matte blue. Add some edge to your style with these durable and unmistakable, iconic sunglasses.

Additional information




Garment Type






Grey Gradient

Frame Style

Ray-Ban Justin

Select Frame Size