# Ray-Ban Mega Wayfarer Polished Black / Green 51-21

- variant_id: `rayban-rb0840s-8056597720670`
- Model: Mega Wayfarer (RB0840S)
- Maker codes: style_code RB0840S
- Size label: 51-21
- data_version: c2.o0 (production)
- Checked at: 2026-09-29T15:37:12Z (spec freshness: fresh; method: dual_extraction_agreement)
- Updated at: 2026-09-29T16:37:22Z
- HTML: https://sunglassesguides.com/variants/rayban-rb0840s-8056597720670 · JSON: https://sunglassesguides.com/api/v1/variants/rayban-rb0840s-8056597720670
- Image: unavailable (no licensed product image)
- Offers: not covered (no approved price source)

## Fields

| Field | Value | field_status | Sources | Evidence |
|---|---|---|---|---|
| Lens width | 51 mm | manufacturer_reported | src_rayban_om_usa_sunglasses_rb0840smega_20wayfarer_black_8056597720670 | "Mega Wayfarer Sunglasses in Polished Black and Green (51-21) - RB0840S / Ray-Ban® US" |
| Bridge width | 21 mm | manufacturer_reported | src_rayban_om_usa_sunglasses_rb0840smega_20wayfarer_black_8056597720670 | "Mega Wayfarer Sunglasses in Polished Black and Green (51-21) - RB0840S / Ray-Ban® US" |
| Temple length | unknown | unknown |  |  |
| Lens height | unknown | unknown |  |  |
| Frame width | unknown | unknown |  |  |
| Maker fit label | unknown | unknown |  |  |
| Bridge fit (normalized) | unknown | unknown |  |  |
| Adjustable nose pads | unknown | unknown |  |  |
| Frame material | Propionate | manufacturer_reported | src_rayban_om_usa_sunglasses_rb0840smega_20wayfarer_black_8056597720670 | "Shop Mega Wayfarer sunglasses with Polished Black Propionate frame and Green (51-21) lenses." |
| Frame color | Polished Black | manufacturer_reported | src_rayban_om_usa_sunglasses_rb0840smega_20wayfarer_black_8056597720670 | "Shop Mega Wayfarer sunglasses with Polished Black Propionate frame and Green (51-21) lenses." |
| Lens | Green | manufacturer_reported | src_rayban_om_usa_sunglasses_rb0840smega_20wayfarer_black_8056597720670 | "Mega Wayfarer Sunglasses in Polished Black and Green (51-21) - RB0840S / Ray-Ban® US" |
| Polarized | unknown | unknown |  |  |
| Light transmission | unknown | unknown |  |  |
| Lens category | unknown | unknown |  |  |
| Lens material | unknown | unknown |  |  |
| UV claim | unknown | unknown |  |  |
| GTIN/UPC | unknown | unknown |  |  |

bridge_fit: manufacturer_fit_label is not known for this variant

Notes: Two WebFetch reads of each page with differently worded prompts (A: transcribe then map; B: per-field questions); only values both reads returned identically are recorded. Read A: Facts read from title and meta description only; page body is JavaScript-rendered menus/footer. Temple length, lens height, UV, lens material and GTIN not stated. No fit wording present. Read B: Facts read from page title and meta description only (JS-rendered page). No Polarized or fit wording present. Matches scout expectations.

## Sources

- `src_rayban_om_usa_sunglasses_rb0840smega_20wayfarer_black_8056597720670`: [Ray-Ban US product page: Mega Wayfarer RB0840S](https://www.ray-ban.com/usa/sunglasses/RB0840Smega%20wayfarer-black/8056597720670) (manufacturer_product_page, publisher Ray-Ban, retrieved 2026-09-29T15:36:38Z)