
Ray-Ban
Signature Round Sunglasses
Ray-Ban Signature Round Sunglasses (model RB 2180) are round-frame sunglasses made in Italy with a lightweight plastic frame and green gradient lenses. They offer 100% UV protection and feature decorative metal rivets on the frame corners. Dimensions are 51 mm eye width, 21 mm bridge length, and 145 mm temple length.
- Gender
- unisex
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
Color
Size
Specifications
Round metal frame sunglasses with UV protection, made in Italy
100% UV protection, lightweight plastic frame, shiny round metal frame
- Material
- Plastic
- Gender
- unisex
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
Additional Attributes
- Shiny round metal frame
- 100% UV protection
- Lightweight plastic frame
- Made in Italy
- Model number: RB 2180
- Eye width: 51 mm
- Bridge: 21 mm
- Temple: 145 mm
Product Insights
The Signature Round Sunglasses by Ray-Ban offer a refined vintage aesthetic with a round silhouette and keyhole bridge, updated with a 51mm lens that fits a broader range of face shapes. Priced at 203 CAD, these Italian-made frames provide UV400 protection and lightweight comfort through a high-shine plastic construction. However, unlike some cheaper competitors, they are non-polarized, presenting a tradeoff between material heritage and polarization functionality.
- Lens size
51mm lens is a 1mm increase from the classic 50mm, fitting more face shapes.
Why this is supported
The lens diameter is 51mm, a subtle 1mm enlargement over the RB3447's 50mm,
its 51mm lens is a one-millimeter enlargement over the original 50mm
Design lineage of Ray-Ban's round sunglasses — rb3447_material_pivot. This size is chosen for versatility:
At 51mm, the lens diameter is small enough to keep the round shape from echoing a round face's curves, yet large enough to soften a square jaw — a sweet spot that makes these sunglasses wearable for a broader range of face shapes than the oversized 57mm rounds
How these round sunglasses fit different face shapes — face_shape_versatility_of_a_51mm_round. So the slight increase improves fit across face shapes.
- Design
Round silhouette and keyhole bridge are direct vintage Ray-Ban carryovers.
Why this is supported
The round silhouette originates from 1960s counterculture, revived by Ray-Ban's Icons collection in the 2010s, and the keyhole bridge is a vintage signature:
The 21mm keyhole bridge is a direct visual signature carried over from Ray-Ban's earliest round metal frames, a feature that enthusiasts recognize as the defining vintage touch separating these from ordinary round sunglasses.
Design lineage of Ray-Ban's round sunglasses — keyhole_bridge_continuityThis lineage means the RB2180
The round sunglass silhouette was popularized by 1960s counterculture figures and re-entered mainstream fashion through Ray-Ban's Icons collection revival in the early 2010s; the RB2180 directly inherits this silhouette, making it a current-generation carrier of a design that has been a festival and style staple for over a decade.
Design lineage of Ray-Ban's round sunglasses — 1960s_counterculture_lineage. Both shape and bridge mark it as a direct descendant of Ray-Ban's original round frames.
- Value
Italian-made and UV400 at a price similar to the all-metal RB3447.
Why this is supported
This model delivers the essential UV400 protection standard across all Ray-Ban models, as confirmed:
Ray-Ban includes 100% UV protection across its entire line, so the RB2180 at 203 CAD delivers the same essential eye safety as the brand's $400+ models; the price difference lies in frame materials and polarization, not in UV coverage.
How the price compares to similar round sunglasses — uv400_as_standardIt also carries Ray-Ban's 80+ year heritage and Italian manufacturing at a lower entry price than competing Italian-made frames, enabled by Ray-Ban's production scale:
Most Italian-made designer round frames from competitors like Persol or Oliver Peoples start at $300 CAD and above; the RB2180's 203 CAD price is enabled by Ray-Ban's massive production scale under Safilo, making it an unusually accessible entry into Italian eyewear craftsmanship.
How the price compares to similar round sunglasses — italian_manufacturing_entry_priceHowever, this value comes at the cost of polarization, a feature included by competitors like Warby Parker at a lower price:
While direct-to-consumer competitors like Warby Parker offer polarized lenses for less, the RB2180's 203 CAD cost buys the Ray-Ban heritage — a brand with 80+ years of cultural significance — and Italian manufacturing, attributes absent from value-oriented options like Warby Parker's Hardy (from $95 USD).
How the price compares to similar round sunglasses — warby_parker_hardy_feature_gapThus, the overall proposition balances heritage and Italian construction against the absence of polarization.
- Polarization
Non-polarized, unlike some cheaper alternatives that include polarization.
Why this is supported
The lens characteristic is confirmed:
No, this model is not polarized.
Are the lenses polarized?This distinguishes it from many cheaper competitors that include polarized lenses.
- Fit
Versatile 51mm lens fits round, square, oval, heart, and diamond faces.
Why this is supported
The 51mm lens width is engineered to balance proportions across diverse face shapes. Research shows it is
small enough to keep the round shape from echoing a round face's curves, yet large enough to soften a square jaw
How these round sunglasses fit different face shapes — face_shape_versatility_of_a_51mm_round, and it is
especially flattering on oval, heart, and diamond faces
How these round sunglasses fit different face shapes — face_shape_versatility_of_a_51mm_round. Additionally, the 51mm occupies a
sweet spot that makes these sunglasses wearable for a broader range of face shapes than the oversized 57mm rounds that have dominated fashion trends
How these round sunglasses fit different face shapes — face_shape_versatility_of_a_51mm_round, and the 1mm enlargement from the classic 50mm is
a subtle nod to contemporary preferences for slightly bolder proportions
Design lineage of Ray-Ban's round sunglasses — rb3447_material_pivot. These combined findings confirm the face shape versatility.
- Comfort
High-shine plastic frame mimics metal look and is lightweight for all-day comfort
Why this is supported
The product description mentions both a 'shiny round metal frame' and a 'lightweight plastic frame,' causing confusion.
This suggests the frame has a metal-like finish but is made of lightweight plastic.
Is the frame made of metal or plastic? The description mentions both a 'shiny round metal frame' and a 'lightweight plastic frame'.Deep research confirms the RB2180 substitutes the classic RB3447's metal chassis with a high-shine plastic frame that keeps the look but reduces weight.
a lightweight plastic build that prioritizes wearability over heft
How the price compares to similar round sunglasses — rb3447_round_metal_pricing, making it comfortable for extended wear.
- UV protection
UV400 protection covers 100% UVA/UVB, same as all Ray-Ban models.
Why this is supported
A Q&A response confirms:
Yes, this model offers 100% UV protection, which is equivalent to UV400 protection.
Is the UV protection UV400 (blocks up to 400 nm)?. Independent research notes that
Ray-Ban includes 100% UV protection across its entire line
How the price compares to similar round sunglasses — uv400_as_standard.
Image Analysis
2 images- 01

Product
Front-facing pair of round sunglasses with glossy black full-rim frame, round green gradient lenses, and small silver decorative rivets at the upper outer frame corners.
- Overall shapeSymmetrical round full-rim frame shown from front, gently curved bridge connecting lenses and straight temples visible behind lenses.
1 region
x 0.06 · y 0.34 · w 0.88 · h 0.32 (high) - Frame material and finishGlossy black frame appears to be polished plastic or acetate with reflective highlights along upper rim.
1 region
x 0.10 · y 0.35 · w 0.80 · h 0.22 (high) - Lens appearanceRound green gradient lenses that are darker at the top and transition lighter toward the bottom.
2 regions
x 0.14 · y 0.38 · w 0.28 · h 0.27 (high); x 0.58 · y 0.38 · w 0.28 · h 0.27 (high) - Bridge detailNarrow keyhole-like bridge cutout centered between the lenses with same glossy black finish.
1 region
x 0.44 · y 0.40 · w 0.12 · h 0.08 (high) - Temple visibilityTemple arms extend rearward and are visible through the lenses as dark, slightly tapered shapes ending outside the frame; tips not fully visible.
2 regions
x 0.20 · y 0.42 · w 0.12 · h 0.20 (medium); x 0.68 · y 0.42 · w 0.12 · h 0.20 (medium) - Decorative rivetsSmall oval silver rivet or metal accent located at the upper outer corner of each lens/frame.
2 regions
x 0.08 · y 0.37 · w 0.05 · h 0.05 (medium); x 0.87 · y 0.37 · w 0.05 · h 0.05 (medium) - Brand logo on lens“Ray-Ban script logo printed in white on the upper left area of the left lens.”
1 region
x 0.17 · y 0.41 · w 0.07 · h 0.07 (high)
Other
Studio-style product shot on a white background with soft shadow cast below the eyewear; even frontal lighting with minimal reflections.
- Background and stagingPlain white background with no visible props or packaging.
- Cast shadowSoft gray shadow directly beneath the lenses and bridge, indicating the glasses are slightly elevated from the surface.
1 region
x 0.18 · y 0.60 · w 0.64 · h 0.08 (high) - Image qualitySharp, high-contrast image with clear edges and visible highlights on frame; no motion blur.
Colors
gloss black· frame#0E0D0Cgreen gradient· lensespolished silver· metal rivetswhite· lens logo- Overall shapeSymmetrical round full-rim frame shown from front, gently curved bridge connecting lenses and straight temples visible behind lenses.
- 02

Product
Glossy black round-frame sunglasses with green-tinted round lenses, visible silver rivets at the upper outer corners, and a scripted metallic logo on the outside of the right temple; inner left temple text is partially visible.
- Frame shapeRounded full-rim acetate frame with continuous circular rims and a small keyhole bridge between lenses.
1 region
x 0.12 · y 0.40 · w 0.48 · h 0.37 (high) - Frame finish and colorHigh-gloss black finish on the entire visible frame and temples.
1 region
x 0.12 · y 0.40 · w 0.76 · h 0.34 (high) - LensesRound green-tinted lenses with a subtle darker-to-lighter vertical gradient.
2 regions
x 0.14 · y 0.43 · w 0.28 · h 0.29 (high); x 0.33 · y 0.48 · w 0.28 · h 0.27 (high) - Rivet detailSmall round metallic rivets visible at the upper outer corners of both rims.
2 regions
x 0.11 · y 0.51 · w 0.04 · h 0.04 (medium); x 0.39 · y 0.48 · w 0.03 · h 0.03 (medium) - Exterior temple logoScript logo printed on the outer side of the right temple in a light metallic or white color.
1 region
x 0.57 · y 0.49 · w 0.12 · h 0.08 (high) - Inner left temple text“Legible block of small text on the inner left temple including the phrase 'MADE IN ITALY' and the characters 'CE'.”Partial
1 region
x 0.18 · y 0.24 · w 0.25 · h 0.12 (medium) - Lens corner scriptSmall white script marking on the upper corner of the left lens near the frame (brand initials or signature-style), visible against the lens surface.
1 region
x 0.18 · y 0.44 · w 0.07 · h 0.07 (medium)
Other
Studio product shot on a plain white background with soft shadow beneath the glasses; three-quarter front-left view showing both lenses and temples, with soft even lighting from above-left.
- Shot compositionThree-quarter front-left perspective showing the front rims and both temples laid on a flat surface.
- Background and surfaceUniform white background and surface with a soft gray shadow under and to the right of the glasses.
- LightingSoft, diffused lighting producing gentle highlights on the glossy frame and faint reflections on the lenses.
Colors
gloss black· frame and temples#0E0D0Cgreen tint· lensesmetallic silver· rivet and small metal accents#BABCBBwhite/silver script· exterior temple logo and lens script- Frame shapeRounded full-rim acetate frame with continuous circular rims and a small keyhole bridge between lenses.