Find Your Perfect Fit
Buying sunglasses online?
Use this size guide to choose the right frame size for your face shape and comfort. A good fit ensures both style and protect
How Sunglasses Are Measured
Sunglasses are typically measured in millimeters (mm) and include three key dimensions:
Lens Width: Horizontal width of one lens.
Bridge Width: Distance between the lenses.
Temple Length: Length of the arm piece (from hinge to tip).
Each pair of GRUV. sunglasses has three numbers printed inside the temple arm.
For example: 49 ▫ 24 ▫ 147
| Size | Lens Width | Face Fit |
|---|---|---|
| Small | 46mm and below | Narrow face |
| Medium | 47-50mm | Average face |
| Large | 55 mm and above | Wide face |
Measure an Existing Pair
Steps:
- Grab your favorite-fitting sunglasses.
- Look inside the arm – you’ll often see numbers like “52-18-140.”
- Use those to compare with our size chart.
Check your size
Still Unsure?
Visit one of our retail partners to try them on, or contact us for personalized sizing help.