Name: Original Ray-Ban RB3684CH Replacement Lenses
Brand: ReplacementLenses
SKU: 153
Availability: InStock

Original Ray-Ban RB3684CH 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

color

4L - POLAR MIRROR BLUE - CRYSTAL

AN - BROWN POLARIZED - CRYSTAL

K8 - DARK GREY POLARIZED - CRYSTAL

Size

Clear

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Original Ray-Ban RB3684CH replacement lenses

If your Ray-Ban RB3684CH lenses are scratched, worn or damaged, you do not need to replace the whole pair of sunglasses. These original Ray-Ban replacement lenses restore the look, fit and visual performance of your frame, while saving up to 60% compared with buying new sunglasses. At ReplacementLenses.net you also get free shipping and the confidence of buying from an official EssilorLuxottica distributor.

Compatibility with the model

These lenses are made for the Ray-Ban 3684CH model in size 58. With metal frames, the lens shape, bevel and curve must match the rim precisely, so checking the model code is essential before ordering.

The lens shape is irregular and the lens curve is Base 6. This helps preserve the original fit and appearance of the RB3684CH. If you are unsure whether your frame is RB3684 or RB3684CH, check the code printed inside the temple.

How to identify your model and size

Look inside the temple arms of your sunglasses. You should find the model reference 3684CH and the size 58. That size is the lens calibre and determines whether the replacement lenses will fit correctly.

If the markings are faded, send us a clear photo of the frame and temple codes. Our optical team works with Ray-Ban replacement lenses every day and can help you confirm the correct model before purchase.

Main features

Brand: Ray-Ban
Model: 3684CH
Size: 58
Diameter: 62 mm
Lens material: glass
Shape: irregular
Lens curve: Base 6
Compatible frame material: metal
Use: sunglasses
Audience: adult
Product type: original
Protection: UV400, blocks 100% UVA/UVB

Available colours

AN – brown polarized – glass
K8 – polar dark grey – glass
P1 – polar dark green – glass
4L – polar mirror blue – glass
AF – dark violet polar – glass

Material, protection and lens finishes

These original Ray-Ban lenses are made of glass, as specified for this replacement. All available lens options for this product are polarized, helping reduce glare from roads, water, bright surfaces and reflective environments.

They also provide UV400 protection, blocking 100% of UVA and UVB rays. This is one of the key reasons to choose genuine lenses rather than generic alternatives: you keep the optical safety and visual quality expected from an original Ray-Ban product.

Why replace only the lenses

Your RB3684CH metal frame may still be in excellent condition even if the lenses are scratched. Replacing just the lenses is a smart choice: you spend less, reduce waste and keep the frame that already fits you well.

In our own workshop in Granada, Spain, we have repaired more than 600,000 pairs of glasses and processed over 400,000 orders in more than 50 countries since 2018. Our qualified opticians check lenses with a lensmeter and work with MEI Easy Fit Trend technology.

Authenticity and logo

As original Ray-Ban lenses, they include the Ray-Ban logo and, because these options are polarized, the Ray-Ban P marking. Buying original Ray-Ban lenses is the safest way to preserve the factory look, protection and fit of your sunglasses.

Frequently asked questions

Do these fit any Ray-Ban RB3684 frame?

These lenses are for Ray-Ban 3684CH in size 58. Always check the temple code before ordering, as a small difference in model or size can affect the fit.

Will they fit if my frame colour is different?

Yes, frame colour does not affect compatibility. What matters is that your sunglasses are Ray-Ban 3684CH size 58.

Are these genuine Ray-Ban lenses?

Yes, they are original Ray-Ban replacement lenses. They include the Ray-Ban logo and the Ray-Ban P marking on the polarized versions.

Are they glass or polycarbonate?

These lenses are made of glass according to the product specifications. This preserves the authentic feel and optical quality of the original replacement.

Do they reduce glare while driving?

Yes, all listed lens options are polarized. They help reduce disturbing reflections from asphalt, water and bright surfaces.

Can I install them at home?

The RB3684CH uses a metal frame construction, usually with a rim screw. If you have the right precision tools and experience, installation can be done carefully; otherwise, we recommend visiting an optician.