Prescription Lenses for Ray-Ban 3857

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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Prescription Lenses for Ray-Ban 3857

Restore your iconic Ray-Ban 3857 Frank glasses with our replacement prescription lenses and avoid the cost of buying a new frame. These replacement prescription lenses for Ray-Ban are not manufactured by Ray-Ban. When your lenses are scratched or worn, simply changing them brings back the clarity and unmistakable style you love.

Our configurator lets you personalize your lenses to match your prescription needs, with options for a range of coatings and tints for both regular and sun lenses. Available in 1.5, 1.6, or 1.67 index, these CR39 lenses provide excellent optical performance for your daily eyewear or sunglasses.

Compatibility of Prescription Lenses for Ray-Ban 3857

Check the model number 3857, engraved on the inside of your frame’s temple, to confirm compatibility. The square-shaped lenses are designed for heights of 42 and 44 mm, diameters of 53 and 56 mm, and a base curve of 6 to precisely fit the Ray-Ban 3857 Frank frame.

Features of Prescription Lenses for Ray-Ban 3857

UV400 full protection
Polycarbonate lenses for impact resistance
Lightweight comfort for all-day wear
Accurate fit in the Ray-Ban 3857 Frank frame

How to Install Replacement Lenses

Replacing the lenses at home is simple and safe with basic tools and careful handling. Loosen the frame slightly, remove the old lenses gently, and fit the new ones securely in place. Your Ray-Ban 3857 will look and feel refreshed in no time.

Maintenance and Warranty

Clean your lenses with water and a microfiber cloth to keep them spotless and extend their lifespan. We offer a 3-year warranty against manufacturing defects (this warranty does not cover scratches caused by normal use).