How to Select the Perfect Sunglasses Size

Let's break it down, starting from the end of the selection process—your satisfaction with a pair of sunglasses that fit perfectly. You look in the mirror, they sit comfortably, providing full protection from the sun without overwhelming your face. That's the ideal scenario, but how do you get there? Understanding your specific requirements for sunglasses size is essential.

1. Lens Width & Frame Width: Key for Fit

Lens width is often the first measurement listed when buying sunglasses, and for good reason. It's the single most important factor determining how sunglasses look on your face. Smaller lenses will sit narrow and might look out of proportion if you have a larger face, while oversized lenses on a small face could give you the "bug-eye" look. Here's how you determine your ideal lens width:

• Small face (narrow): Aim for a lens width between 50-54mm.
• Medium face (average width): Opt for a lens width of 55-58mm.
• Large face (wide): Look for lens widths of 58mm and above.

Frame width, on the other hand, refers to the entire width of the sunglasses, including the lenses and bridge. This can vary depending on the frame design, but a good rule of thumb is to ensure that the width of your sunglasses matches or slightly exceeds the width of your face.

2. Bridge Width: Comfort Starts Here

Now, let's move on to bridge width—the distance between the lenses that rests on your nose. A proper fit in this area prevents the sunglasses from sliding down or pinching your nose. If the bridge is too wide, your sunglasses will constantly slide down. Too narrow, and they’ll pinch your nose, leaving unsightly red marks.

The sweet spot for bridge width? It's usually between 14mm and 24mm. Your comfort depends on finding the right width based on your nose's size and shape.

• Narrow nose: Go for a bridge width of 14-18mm.
• Wide nose: Choose something in the 18-24mm range.

3. Temple Length: Don’t Forget the Arms

You’ve got your lens width and bridge width covered, but don’t forget about temple length—the "arms" that hook behind your ears. Temple length determines how securely your sunglasses stay in place during movement. If they’re too long, they might slip off, and if they’re too short, they could press uncomfortably on the sides of your head.

• Shorter temples (120-135mm): Suitable for smaller heads.
• Average length temples (135-145mm): Ideal for most adults.
• Longer temples (145mm and up): Great for those with larger head sizes or those who prefer more slack behind the ears.

4. Face Shape: Matching the Frame Style

Lastly, your face shape plays a crucial role in selecting the best sunglasses. It’s not all about size—it’s about how the frame complements your face.

• Round face: Go for angular frames like square or rectangular shapes to provide contrast.
• Oval face: You’re in luck—most frames will suit you, but wider, oversized frames tend to look particularly flattering.
• Square face: Round or aviator frames soften angular features.
• Heart-shaped face: Cat-eye frames or bottom-heavy styles balance out a broader forehead.

5. The Right Sunglasses for Activity Level

Finally, consider when and where you’ll be wearing your sunglasses. If you're an active person who spends a lot of time outdoors, you may want larger frames and lenses to offer maximum coverage and protection from the sun, wind, or debris. For those who mostly wear sunglasses casually or when driving, something lighter and more stylish could work best.

Polarized lenses are often recommended for people who spend time around water or snow, while gradient lenses are great for driving.

Summary Tips for Choosing the Right Size:

1. Lens width is the primary factor for appearance; bridge width is critical for comfort.
2. Ensure the frame width aligns with your face width for a balanced look.
3. Choose a temple length that fits your head size to keep the sunglasses securely in place.
4. Match your face shape with the appropriate frame style for the best overall appearance.
5. Select sunglasses that meet the needs of your lifestyle, from outdoor activities to casual wear.

In conclusion, selecting the right size sunglasses is a balance of fit, comfort, and style. The next time you're in the market for a new pair, take these factors into account, and you're sure to find a pair that not only looks great but feels great too. Size matters, but understanding how each part of your sunglasses contributes to the overall fit will leave you confident in your purchase.

Remember: The perfect pair of sunglasses is the one that suits not just your face, but also your needs. Take your time, try on several options, and don’t be afraid to measure!