SKU: BS175003
NEROX KEY Light Grey Crystal
Size & Fit
Check this frame against your own
measurements before you buy.
Frame Measurements
| Hinge to HingeTemple to temple | 133 mm |
| Lens HeightHow the frame sits vertically across your face | 42.7 mm |
| Lens LengthHow the frame sits horizontally across your face | 52 mm |
| Temple LengthHow the temple sits across your head | 140 mm |
Frame Diagrams
Front View
Profile View
Overall frame size on the S–XL scale, based on its footprint.
How the frame reads on an average face. On a smaller face it will look more oversized and bold; on a larger face it sits closer to a classic, proportional look.
How this frame holds across the temples. Sport frames are designed to sit tighter for a secure hold that stays put during activity.
All you need is a flexible measuring tape or a piece of string and a ruler. Take measurements on bare skin for best accuracy.
Key Measurement
Also known as the hinge-to-hinge measurement. Wrap a tape around your head just above your brows and ears. Divide by 2 for your half-head width. Match to Temple Width for a pressure-free fit.
Check Your Fit
Enter your own measurements below and we'll tell you how this frame will sit.
This guide gives an approximate fit based on frame measurements and is intended as guidance only. Actual fit varies between individuals.
In Stock 23 Sep – 28 Sep
Estimated delivery
Lens Technology
Bollé’s SLF Polarized lenses provide 100% UV protection and a superior visual experience focused on comfort and lightness.
Featuring high-performance polarization, this lens effectively eliminates distracting glare and reflections from surfaces like water, snow, or roads. By sharpening contrast and reducing eye fatigue, SLF Polarized allows you to see with natural precision, making it the ultimate versatile choice for daily activities and outdoor adventures alike.
Experience ultimate performance with:
-
100% UV protection
-
Polarized
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Lightweight
-
Visibility
-
Protection
Superior Light Filter - Polarised
Description
With its elegant square design with keyhole nose, the NEROX KEY suits all face shapes. Refined down to the last detail, this model with polarised lens is equipped with the Bollé signature flex hinge, making it extremely comfortable and an easy fit for many faces. Both frame and lens are made from bio-based material with recycled metal parts.
Features
FLEX HINGE
Designed in Lyon by Bollé’s expert eyewear team, our long-life 5-barrel flex hinge ensures enhanced robustness, stability, and easy repair thanks to quick-release assembly screws. The double spring system makes our models extremely comfortable and an easy fit for many faces.
Eco-Acetate
Built from durable eco-acetate featuring striking craftsmanship and details. Technical and lightweight, it delivers a sharp design without compromising on structural strength or lasting comfort.
Anti-Scratch & oleo/hydrophobic
The lens coatings provide anti-scratch protection, repel water and oils with oleo/hydrophobic properties, ensuring clear vision and long-lasting performance in all conditions.
Product Details
Fit: Medium
Weight:
Product Material: Acetate
Lens Name: Axis Polarised Cat 3
Base Tint: Grey
Style #: BS175003
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