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Size Guide
Eyeglasses Size Guide
Understanding your eyewear measurements ensures a proper, comfortable fit. Most frames list their measurements inside the arm in this format:
50 ▢ 18 – 140
Lens Width ▢ Bridge Width – Temple Length (all in millimeters)
Eyeglass Measurement Breakdown
| Measurement | Description | Typical Range |
|---|---|---|
| Lens Width | Horizontal width of one lens | 48–55 mm |
| Bridge Width | Distance between the lenses | 16–22 mm |
| Temple Length | Length of the arm piece | 135–150 mm |
| Lens Height | Vertical height of the lens (important for sunglasses) | 30–45 mm |
| Frame Width | Total width across the front of the frame | 120–145 mm |
General Fit Recommendations
| Size | Lens Width | Bridge | Temple | Best For |
|---|---|---|---|---|
| Small | Under 49 mm | 16–18 mm | 135–140 mm | Narrow faces |
| Medium | 50–54 mm | 17–20 mm | 140–145 mm | Most adults |
| Large | 55-59 mm | 18–22 mm | 145–150 mm | Wider faces |
| Oversize | Over 60 mm | 18–22 mm | 145–150 mm | Wider faces |
If you need help selecting the perfect frame size, our team is always happy to assist.
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Description
Persol PO3171S Sunglasses combine Italian craftsmanship with timeless design. Featuring premium plastic round frames, they offer durability and comfort with a classic look. Perfect for both formal and casual outfits, these sunglasses ensure a balanced fit and lasting quality.
Made in Italy, the PO3171S highlights Persol’s precise detailing and sleek style, enhancing any modern men’s wardrobe with minimalist elegance.
Offered by Beverly Hills Eyewear, known for top-tier European luxury, these sunglasses blend heritage design with contemporary appeal.
Persol PO3171S Plastic Round Men's Sunglasses
Style Name: PO3171S
Designer: Persol
Gender: Men
Frame Style: Round
Frame Material: Plastic
Country of Origin: Italy
Description
Persol PO3171S Sunglasses combine Italian craftsmanship with timeless design. Featuring premium plastic round frames, they offer durability and comfort with a classic look. Perfect for both formal and casual outfits, these sunglasses ensure a balanced fit and lasting quality.
Made in Italy, the PO3171S highlights Persol’s precise detailing and sleek style, enhancing any modern men’s wardrobe with minimalist elegance.
Offered by Beverly Hills Eyewear, known for top-tier European luxury, these sunglasses blend heritage design with contemporary appeal.
Persol PO3171S Plastic Round Men's Sunglasses
Style Name: PO3171S
Designer: Persol
Gender: Men
Frame Style: Round
Frame Material: Plastic
Country of Origin: Italy
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This eyewear retailer offers designer frames and sunglasses at competitive prices, significantly lower than traditional optical shops. Customers praise product quality and authenticity. However, service is inconsistent - while many report fast delivery and pro...