€275.00 Original price was: €275.00.€151.30Current price is: €151.30.
Adds a 3rd year of EyeWearThese cover after the included 2-year manufacturer warranty. Applies to this item only.
When ordering sunglasses online, getting the right lens width is crucial for a comfortable and stylish fit. Here’s a simple step-by-step guide to measuring your face and finding the perfect lens width:
Prepare for Measurement: Find a well-lit area with a mirror and grab a millimeter ruler or a tape measure. If you have an existing pair of sunglasses that fits you well, it can be helpful for comparison.
Measure Your Face Width: Start by measuring the width of your face. Place the millimeter ruler or tape measure across your face, from the top of one cheekbone to the top of the other. Make sure to follow the natural curve of your face, passing just above your nose. Note down this measurement as your face width.
Measure the Bridge Width: Next, measure the width of the bridge of your nose. Place the ruler at the start of one eyebrow arch, just above your nose, and measure across to the same point on the other side. This measurement will give you an idea of how wide the bridge of the sunglasses should be to fit comfortably on your nose.
Calculate Lens Width: To determine the right lens width, subtract the bridge width measurement from your face width. The resulting number will give you an approximate lens width for each eye. For example, if your face width is 140mm, and the bridge width is 20mm, then the lens width would be around 120mm (140mm – 20mm = 120mm).
Consider Face Shape and Style: While the calculated lens width is a good starting point, consider your face shape and personal style when choosing the final lens width. Different face shapes suit different lens widths and styles. For instance, oval faces often look great with a variety of lens widths, while round faces may benefit from more angular frames.
| Face Size (Temple to Temple Measurement) | Lens Width | Arm Length |
|---|---|---|
| Narrow (less than 129mm) | 50mm and under | 135mm – 140mm |
| Medium (130mm – 139mm) | 51mm – 55mm | 140mm – 145mm |
| Wide (over 139mm) | 56mm and above | 150mm or above |
| Nose Bridge Size | Bridge Measurement |
|---|---|
| Small | 14mm – 16mm |
| Medium | 17mm – 19mm |
| Wide | 20mm – 23mm |
Prescription Lenses
The Oakley OO9480 Sielo SQ in Matte Black Tortoise is a sunglasses style built around a clean rectangular profile and performance-led eyewear design. This women’s style offers a polished, fashion-conscious look.
The Matte Black Tortoise finish gives the frame a distinctive colour identity, the O Matter front is paired with metal temples, the Sielo SQ name helps identify this model family and the Performance Lifestyle theme adds another layer of design context.
For customers looking for Oakley sunglasses with a clean rectangular profile, this model is well suited to driving, outdoor activities and active lifestyles and can complement round and oval face shapes.
The Prizm Black Polarized lenses complete the colourway and provide full UV400 sun protection. Polarised lens technology helps reduce glare from reflective surfaces, making the frame especially useful for driving, travel and outdoor wear. The polycarbonate lens material supports lightweight visual comfort. The high bridge fit fit is designed to support comfortable daily wear.
As an authorised Oakley stockist, EyeWearThese supplies genuine eyewear from authorised distributors with the applicable manufacturer warranty.
Your frame is supplied with the original accessories provided for that model where applicable. Cases, pouches, cloths, leaflets and packaging can vary by collection, production year and special edition.
Model code: OO9480 948003
Measurements are shown in millimetres and may vary slightly by manufacturer.
| Brand | Oakley |
| Lenses | Prizm Black Polarized |
| Frame colour | Matte Black Tortoise |
| Frame material | O_Matter |
| Shape | Rectangle |
| Bridge size (mm) | 18 |
| Temple size (mm) | 141 |
| Designed for | Unisex |
| Age group | Adult |
| Manufacturer code | OO-9480-948003 |
| GTIN/EAN/UPC | 888392642622 |

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Add extra peace of mind to your eyewear. Your item already includes a 2-year manufacturer warranty. This optional EyeWearThese Extended Product Warranty adds a 3rd year of cover for eligible manufacturing defects on the selected item.
Each claim is reviewed individually. The warranty applies per selected item and does not affect your statutory rights. Full terms apply.