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The Prada B17S Sunglasses make an unapologetic statement with their bold rectangular frames and chunky, architectural silhouette. Designed for those who want their eyewear to command attention, these sunglasses feature thick acetate construction with clean geometric lines and distinctive wide temples that set them apart from minimalist alternatives.
Distinctive Design Details
What makes the B17S instantly recognizable is its faceted triangular temple design—wide, angular surfaces that add depth and dimension to the frame. The prominent PRADA logo lettering in polished silver runs across each temple, delivering the brand's signature luxury appeal without subtlety. The full-rim rectangular lenses (54mm width, 39mm height) provide substantial coverage, while the 20mm bridge and 145mm temples ensure a comfortable fit designed for wider faces.
Available in six striking combinations—from classic black with violet or dark grey lenses to rich tortoise with dark brown, plus bold blue and brown variants—each colorway showcases Prada's mastery of Italian acetate. The material feels substantial in hand, with a polished finish that catches light beautifully and maintains its shape through daily wear.
Prescription-Ready & UV Protection
These sunglasses are prescription-ready, so you can fit them with your exact Rx through Designer Optics' lens services. All lenses include 100% UV protection, blocking harmful UVA and UVB rays—a standard feature across Prada's eyewear line, manufactured under the supervision of EssilorLuxottica.
Who They're For
The B17S suits oval and round face shapes particularly well, where the strong horizontal lines add definition and balance. The wide fit and bold proportions work best for those who prefer statement eyewear over understated styles. If you're drawn to contemporary Italian design with a confident, fashion-forward edge, these deliver exactly that.
Product Details
Product DetailsModel
0PR B17SShape
Gender
Material
Bridge Type
Rim Type
Age Group
Color Details
Color DetailsFrame Color
TortoiseColor Code
17N06BColor Description
Root TortoiseLens Color
Dark Brown
Frame Color
BlackColor Code
16K01OColor Description
Black/purpleLens Color
Violet
Frame Color
BlackColor Code
16K08ZColor Description
Black/talcLens Color
Dark Grey
Frame Color
BrownColor Code
29E90FColor Description
TerraLens Color
Light Brown
Color Code
24F80SColor Description
BlueLens Color
Dark Blue
Frame Color
BrownColor Code
25F70BColor Description
ChocolateLens Color
Dark Grey
Size Details
Size DetailsBridge Width
20.00Temple Length
145.00Size
5420-145
Bridge Width
20.00Temple Length
145.00Size
5420-145
Bridge Width
20.00Temple Length
145.00Size
5420-145
Bridge Width
20.00Temple Length
145.00Size
5420-145
Bridge Width
20.00Temple Length
145.00Size
5420-145
Bridge Width
20.00Temple Length
145.00Size
5420-145
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Frequently Asked Questions
Are the Prada B17S sunglasses prescription-ready?
Yes, the Prada B17S frames are fully prescription-ready. You can have them fitted with single-vision, progressive, or polarized prescription lenses through Designer Optics. The rectangular shape and full-rim acetate construction make them progressive-friendly and suitable for a wide range of prescriptions.
Do Prada B17S sunglasses have UV protection?
Yes, all Prada B17S sunglasses include 100% UV protection in their lenses, blocking both UVA and UVB rays. This is a standard feature across Prada's eyewear collection, which is manufactured under the supervision of EssilorLuxottica to meet international UV protection standards.
What face shapes suit the Prada B17S rectangular frames?
The Prada B17S works best for oval and round face shapes, where the bold rectangular geometry adds definition and structure. The wide fit (54mm lens width, 20mm bridge) is designed for medium-to-wide faces. The strong horizontal lines help balance softer facial features, though the chunky proportions may overwhelm smaller or narrower faces.
What are the measurements of the Prada B17S?
The Prada B17S measures 54mm lens width, 20mm bridge width, 145mm temple length, and 39mm lens height. This is considered a wide fit with substantial coverage. The frame features a standard bridge type and is designed for adult wearers seeking bold, oversized rectangular sunglasses.
How do I clean and care for Prada B17S acetate frames?
Clean your Prada B17S with lukewarm water and the included microfiber cloth. Avoid tissues, paper towels, or alcohol-based cleaners that can scratch the acetate or damage lens coatings. Always store them in the original Prada case with lenses facing upward, and avoid leaving them in high-heat environments like cars, which can warp the acetate frame.
What's the difference between the Prada B17S and the Prada 17WS Symbole?
Both feature bold rectangular acetate frames, but the B17S has faceted triangular temples with flat logo lettering, while the 17WS Symbole showcases Prada's iconic three-dimensional carved triangle logo on the temples. The B17S is larger (54mm vs. 49mm lens width) and designed for a wider fit, while the Symbole offers a slightly more refined, medium-width silhouette.
Compare With Similar Frames
How the Prada B17S Sunglasses stacks up against the closest alternatives we carry.
- Iconic three-dimensional carved triangle logo on temples—instantly recognizable Prada Symbole signature
- Smaller, more refined fit (49mm lens width) suits medium-width faces better
- Available in 15+ colorways including transparent and frosted finishes that soften the bold geometry
Read the full comparison
Prada B17S vs. Prada 17WS Symbole: Which Bold Rectangle Is Right for You?
Both the Prada B17S and the Prada 17WS Symbole deliver bold rectangular acetate frames with unmistakable Italian design, but they take different approaches to making a statement.
Size & Fit
The B17S is the larger, chunkier option—its 54mm lens width and wide temples create a substantial, architectural presence on the face. It's designed for those with wider faces or anyone who wants maximum coverage and bold proportions. The 17WS Symbole, at 49mm lens width, offers a more refined rectangular silhouette that flatters medium-width faces without overwhelming smaller features.
Temple Design & Branding
The key visual difference lies in the temples. The B17S features faceted triangular surfaces with flat PRADA logo lettering—bold but relatively understated. The 17WS Symbole showcases Prada's iconic three-dimensional carved triangle logo, a sculptural element that's instantly recognizable and deliberately prominent. If you want the house logo front and center, the Symbole delivers. If you prefer a cleaner look with strong geometry, the B17S is your frame.
Color Options
The B17S offers six solid colorways—classic blacks, tortoise, browns, and blue—with a polished, high-gloss finish. The 17WS Symbole expands to 15+ options, including transparent amethyst, frosted vanilla, and champagne finishes that catch light beautifully and soften the frame's angularity.
Our Recommendation
Choose the Prada B17S if you have a wider face, want maximum lens coverage, and prefer a chunkier, architectural frame with bold but less logo-forward branding. Choose the Prada 17WS Symbole if you want the iconic carved triangle logo, a slightly more refined fit, and access to Prada's full range of transparent and frosted acetate finishes. Both are prescription-ready, offer 100% UV protection, and deliver that unmistakable Prada confidence—it's really about size, branding preference, and how bold you want to go.
At a Glance
Prada 17WS Symbole Sunglasses
Pros:
- Iconic three-dimensional carved triangle logo on temples—instantly recognizable Prada Symbole signature
- Smaller, more refined fit (49mm lens width) suits medium-width faces better
- Available in 15+ colorways including transparent and frosted finishes that soften the bold geometry
- Slightly lower price point ($433–$577 vs. $548 for B17S)
Cons:
- Smaller lens coverage may not suit those seeking maximum sun protection or a bolder look
- The carved triangle logo is more prominent—less versatile if you prefer subtler branding
- Narrower fit may not work for wider faces or those who prefer substantial, chunky frames