Name: Original Ray-Ban RB4840S Replacement Lenses
Brand: ReplacementLenses
SKU: 77
Availability: InStock

Original Ray-Ban RB4840S Replacement Lenses

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

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Restore Your Ray-Ban RB4840S with Original Replacement Lenses

Bring your Ray-Ban RB4840S sunglasses back to life with these 100% original replacement lenses. Manufactured and distributed by Ray-Ban/Luxottica, these lenses guarantee a perfect fit, official quality, and the signature RB logo when applicable. Choose authenticity and enjoy the full Ray-Ban experience with genuine parts designed specifically for your model.

Whether your original lenses are scratched, damaged, or you simply want to refresh your sunglasses, these replacement lenses are the ideal solution. Maintain the integrity and value of your Ray-Ban RB4840S by trusting only official replacement parts made to the brand’s exacting standards.

Technical Specifications and Materials

Compatibility: Exclusively for Ray-Ban RB4840S. Not compatible with other models.
Available sizes: 50 mm and 52 mm (check the exact size on your temple arm).
Lens diameter: 55 mm and 57 mm depending on variant.
Lens material: Plastic (polycarbonate), as specified by Ray-Ban and color variants.
Shape: Square.
Base curve: 4.
Available colors: 87 – Dark Grey, 71 – Dark Green, 4L – Grey Gradient Blue, T3 – Grey Gradient Polarized, T5 – Polar Brown Gradient. Check your original reference for the exact color.
Use: Sun.
Audience: Adult.
Product: Original Ray-Ban replacement.

How to Check Your Exact Model and Size

To ensure compatibility, follow these steps:

Locate the model code (RB4840S) on the inside of your temple arm.
Verify the size, usually listed next to the model (e.g., 50 or 52).
Check the color code, which may appear after the size (e.g., 87, 71, 4L, T3, T5).
If in doubt, compare your current lenses’ measurements and shape with the specifications provided.