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Original Ray-Ban RB3766CH Replacement Lenses

Price range: $25.99 through $32.99

Size chart

Clothing Size Conversion Chart
Category	US	EU	UK	Chest (in)	Waist (in)	Hips (in)
Men	XS	44	34	32-34	26-28	33-35
	S	46	36	34-36	28-30	35-37
	M	48	38	38-40	32-34	39-41
	L	50	40	42-44	36-38	43-45
	XL	52	42	46-48	40-42	47-49
Women	XS	32	6	31-32	24-25	33-34
	S	34	8	33-34	26-27	35-36
	M	36	10	35-36	28-29	37-38
	L	38-40	12-14	37-39	30-32	39-41
	XL	42	16	40-42	33-35	42-44
Youth	XS	128	7	26-28	23-24	26-28
	S	134	8	28-30	24-25	28-30
	M	140	10	30-32	25-26	30-32
	L	146	12	32-34	26-27	32-34
	XL	152	14	34-36	27-28	34-36

Pants Size Conversion Chart
Category	US	EU	UK	Waist (in)	Hip (in)	Inseam (in)
Men	28	44	28	28	34	30
	30	46	30	30	36	31
	32	48	32	32	38	32
	34	50	34	34	40	33
	36	52	36	36	42	34
Women	0	32	4	24	34	30
	2	34	6	25	35	30
	4	36	8	26	36	31
	6	38	10	27	38	32
	8	40	12	28	40	32

Shoes Size Conversion Chart
Category	US	EU	UK	Foot Length (in)
Men	6	39	5.5	9.25
	7	40	6.5	9.625
	8	41	7.5	10
	9	42	8.5	10.25
	10	43	9.5	10.625
	11	44	10.5	11
	12	45	11.5	11.25
	13	46	12.5	11.625
Women	5	35	2.5	8.5
	6	36	3.5	8.875
	7	37	4.5	9.25
	8	38	5.5	9.625
	9	39	6.5	10
	10	40	7.5	10.25
	11	41	8.5	10.625
	12	42	9.5	11
M (Unisex)	5	37	4.5	8.75
	6	38	5.5	9
	7	39	6.5	9.5
	8	40	7.5	10
	9	41	8.5	10.25
	10	42	9.5	10.625
	11	43	10.5	11
	12	44	11.5	11.25

Size

color

001/O9 - Polarized Grey

002/K8 - Polarized Dark Grey

003/J0 - Gradient Gold

004/5J - Mirror Silver

9259AN - Polarized Brown

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Description
Additional information

Description

Restore Your Ray-Ban RB3766CH with Original Replacement Lenses

Bring your Ray-Ban RB3766CH sunglasses back to life with official replacement lenses. These are 100% original Ray-Ban parts, manufactured and distributed by Luxottica, ensuring perfect fit, optical quality, and the authentic Ray-Ban look. Each pair features the RB logo where applicable, so you can be confident in their originality and performance.

Choose the only replacement recommended by certified opticians and Ray-Ban itself. Restore the original style and sun protection of your sunglasses with genuine lenses designed for your RB3766CH model.

Technical Specifications and Materials

Compatibility: Exclusively for Ray-Ban RB3766CH. Not suitable for other models.
Available sizes: 54 mm and 56 mm (check your frame’s inner temple for the exact size).
Lens diameter: 58 mm and 60 mm depending on variant.
Lens height: 46 mm and 47 mm depending on size.
Shape: Square.
Lens material: High-quality mineral glass, as per Ray-Ban’s original specification.
Available colors:
- 001/O9 – Polarized Grey
- 002/K8 – Polarized Dark Grey
- 003/J0 – Gradient Gold
- 004/5J – Mirror Silver
- 9259AN – Polarized Brown
Use: Adult sunglasses.
Product type: Pair of original Ray-Ban lenses, official replacement.

How to Check Your Model and Exact Size

Follow these steps to ensure you select the correct replacement:

Find the model code (RB3766CH) on the inside of your frame’s temple.
Check the size, usually listed next to the model (e.g., 54□17 145).
Look for the color code, typically after the size (e.g., 001/O9).
If unsure, compare your current lenses’ shape and measurements with the specifications above.

Additional information

Size	54 , 56
color	001/O9 – Polarized Grey , 002/K8 – Polarized Dark Grey , 003/J0 – Gradient Gold , 004/5J – Mirror Silver , 9259AN – Polarized Brown