Original Ray-Ban RB3751 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 RB3751 with original replacement lenses

Bring your Ray-Ban RB3751 sunglasses back to life with 100% original replacement lenses, manufactured and distributed by Luxottica. These lenses guarantee authenticity, a perfect fit, and the signature RB laser engraving, ensuring your sunglasses maintain their iconic look and premium quality.

Choosing official Ray-Ban replacement lenses means you get the exact optical performance, sun protection, and durability your RB3751 model was designed for. Don’t settle for less-only genuine Ray-Ban parts preserve the integrity and style of your eyewear.

Technical specifications and materials

Compatibility: Designed exclusively for Ray-Ban RB3751 sunglasses.
Available sizes: 58 mm and 61 mm (check the exact size on the inside temple of your frame).
Available lens colors:
- 31 – Green (Crystal)
- R5 – Blue (Crystal)
- B1 – Dark Grey (Crystal)
- 40 – Green Mirror Silver (Crystal)
Lens material: Crystal (mineral glass), according to the original color reference.
Use: Sun protection for adults.
Product type: Original Ray-Ban replacement, not compatible or generic.
Original frame info: Metal temples (for model identification only).

How to check your exact model and size

To ensure compatibility, check the inside of your Ray-Ban temple arm. You’ll find:

Model code: Look for “RB3751”.
Size: Usually shown next to the model, such as 58 or 61.
Color code: May appear as 31, R5, B1, or 40, depending on your original lens color.

Verify these details before ordering to guarantee a perfect fit.

Frequently asked questions before buying your lenses

Are these identical to the lenses my sunglasses came with?

Yes, these are original Ray-Ban/Luxottica replacement lenses, made to official standards. There may be minor updates in material or color tone depending on the variant and production year, but always official quality.