Description
Description
Introducing the Saint Laurent SL 645/F eyeglasses, a refined unisex design that harmonises architectural lines with modern luxury. The rectangle eyeglasses silhouette delivers balanced proportion, ideal for daily wear and enduring style. Crafted in Italy, this pair features a robust front in the RAC material and a timeless Black finish on both the frame front and temples, complemented by transparent lenses that offer clean, versatile vision. Available across colourways Beige, Black, Green and Havana, and sized at 55 mm, they are engineered to fit a range of face shapes with quiet confidence.
The craftsmanship speaks softly of premium heritage. Each component is selected for durability and comfort, while the understated detailing ensures this frame remains at home in both professional environments and refined evenings. The Italy-made production speaks to a tradition of luxury eyewear, pairing long-lasting performance with everyday elegance.
On Ardor Eyewear, you can choose the SL 645/F frame alone or pair it with prescription lenses. We offer prescription-ready customization on the product page, and we will fit your personalized lenses and ship the finished glasses to you in 8–12 days, with authentic packaging and full manufacturer assurance.
Face shape guidance: the rectangular geometry of SL 645/F flatters round and oval faces for balance while adapting gracefully to heart-shaped or angular (square) profiles when proportion is considered. If your features are softly curved, this frame adds structure without overpowering your look.
Elevate your daily appearance with a frame that signals quiet confidence and modern luxury. The SL 645/F pairs easily with a contemporary professional wardrobe or a high-fashion, city-living lifestyle, making it a versatile choice for those who value authenticity, comfort and timeless design. Experience the ease of authentic luxury eyewear from a UK-based specialist, with easy ordering, guaranteed authenticity, and premium service from Ardor Eyewear.
Product Specifications
Product Specifications
| Model Code: | SL 645/F |
| Brand: | Saint Laurent |
| Product Type: | Glasses |
| Barcode | 889652454580 |
| Gender: | Unisex |
| Suits These Face Shapes: | Round Face, Oval Face, Oblong Face, Long Face, Triangle Face, Round Face, Oval Face, Long Face, Narrow Face |
Frame Specifications
Frame Specifications
| Frame Shape: | Rectangle, Square |
| Front Material: | RAC |
| Frame Front Colour: | Green |
| Front Colour (detailed): | Green |
Lens Specifications
Lens Specifications
| Lens Material: | Demo Lens |
| Lens Base Curve: | S04 |
| Polarized: | No |
| Photochromic: | No |
Size & Fit Details
Size & Fit Details
| Lens Width: | 55 MM |
| Lens Height: | 39 MM |
| Bridge Size: | 16 MM |
| Temple Length: | 145 MM |
| Size Guide: | M |
Saint Laurent Packaging
Saint Laurent Packaging
*The packaging image is for reference purposes only; actual packaging may differ.
Related Collections
Related Collections
Have any questions?
Saint Laurent - SL 645/F - Glasses
Saint Laurent
Prescription lenses are made to order — please allow a few extra business days in addition to standard delivery (5–8 business days).
Price includes VAT. Free UK delivery in 5–8 business days.
Black Friday Lens Offer · Use code at checkout
Prescription, non-prescription or frame only. See your total at every step.
Orders over £150: a free £10 premium designer cleaning kit is added to your bag automatically. Newsletter subscribers get one kit free with any paid order with code ARDORCARE.
While gift stocks last. Discount codes can be combined. Terms apply.Out of stock — get an email when it's back
Couldn't load pickup availability
SL 645/F (Saint Laurent) is selling:
Fast! Last few pairs left of these 100% original designer eyewear. Buy Now Before the Deal Ends Forever!
100% genuine, supplied by authorised distributors. 14-day returns and a 2-year warranty on every pair.
- Free UK Delivery
- 14-Day Returns
- 2-Year Warranty
Description
Description
Introducing the Saint Laurent SL 645/F eyeglasses, a refined unisex design that harmonises architectural lines with modern luxury. The rectangle eyeglasses silhouette delivers balanced proportion, ideal for daily wear and enduring style. Crafted in Italy, this pair features a robust front in the RAC material and a timeless Black finish on both the frame front and temples, complemented by transparent lenses that offer clean, versatile vision. Available across colourways Beige, Black, Green and Havana, and sized at 55 mm, they are engineered to fit a range of face shapes with quiet confidence.
The craftsmanship speaks softly of premium heritage. Each component is selected for durability and comfort, while the understated detailing ensures this frame remains at home in both professional environments and refined evenings. The Italy-made production speaks to a tradition of luxury eyewear, pairing long-lasting performance with everyday elegance.
On Ardor Eyewear, you can choose the SL 645/F frame alone or pair it with prescription lenses. We offer prescription-ready customization on the product page, and we will fit your personalized lenses and ship the finished glasses to you in 8–12 days, with authentic packaging and full manufacturer assurance.
Face shape guidance: the rectangular geometry of SL 645/F flatters round and oval faces for balance while adapting gracefully to heart-shaped or angular (square) profiles when proportion is considered. If your features are softly curved, this frame adds structure without overpowering your look.
Elevate your daily appearance with a frame that signals quiet confidence and modern luxury. The SL 645/F pairs easily with a contemporary professional wardrobe or a high-fashion, city-living lifestyle, making it a versatile choice for those who value authenticity, comfort and timeless design. Experience the ease of authentic luxury eyewear from a UK-based specialist, with easy ordering, guaranteed authenticity, and premium service from Ardor Eyewear.
Product Specifications
Product Specifications
| Model Code: | SL 645/F |
| Brand: | Saint Laurent |
| Product Type: | Glasses |
| Barcode | 889652454580 |
| Gender: | Unisex |
| Suits These Face Shapes: | Round Face, Oval Face, Oblong Face, Long Face, Triangle Face, Round Face, Oval Face, Long Face, Narrow Face |
Frame Specifications
Frame Specifications
| Frame Shape: | Rectangle, Square |
| Front Material: | RAC |
| Frame Front Colour: | Green |
| Front Colour (detailed): | Green |
Lens Specifications
Lens Specifications
| Lens Material: | Demo Lens |
| Lens Base Curve: | S04 |
| Polarized: | No |
| Photochromic: | No |
Size & Fit Details
Size & Fit Details
| Lens Width: | 55 MM |
| Lens Height: | 39 MM |
| Bridge Size: | 16 MM |
| Temple Length: | 145 MM |
| Size Guide: | M |
Saint Laurent Packaging
Saint Laurent Packaging
*The packaging image is for reference purposes only; actual packaging may differ.
Related Collections
Related Collections
Estimated dates below are for non-prescription frames. Prescription lenses are made to order — please allow a few extra business days.
Ordered
12 Nov
Dispatched
13 Nov -
16th Nov
Delivered
19 Nov -
24 Nov
Ordered
12 Nov
Packed
13 Nov
Delivered
By 17 Nov
Need Help?
Available: MON to FRI: 10:00AM - 05:00PM
Have any questions?
Proudly UK
Based in Britain. Shipped from Britain.
We're a UK business and your eyewear ships from our UK warehouse — so it reaches you fast, without the long waits and customs delays that come with cheaper sellers shipping from the EU.
- Ships from our UK warehouseDispatched fast from within the UK — no waiting weeks on an overseas parcel.
- No EU customs delays or surprise chargesYour eyewear is already here in the UK, so there's nothing to clear and nothing extra to pay.
- UK-based supportReal people in your time zone, ready to help before and after you buy.
Loved by our customers
Rated 4.6/5 by 1,672 customers on Judge.me
“Love these shades. Great quality service throughout the purchase and speedy delivery – highly recommended.”
“So impressed with these sunglasses. The design is gorgeous – stylish, timeless and easy to pair with different outfits.”
“A little touch of luxury. Obsessed with these Tom Ford sunglasses – timeless, elegant and effortlessly chic.”
“My Gucci sunglasses arrived beautifully presented, are absolutely gorgeous and 100% genuine.”
“Superb item. Perfect condition and authentic. Well packaged. Great price.”
“Excellent fit and lens quality for the golf course, particularly in bright and sunny conditions.”
“A great addition to my collection. Great price, prompt delivery – and they are 100% genuine.”
“Great quality at an excellent price, and the service was amazing too. Will definitely buy again.”
“Fit like a glove – they grip perfectly whilst trail running and the lens prevents glare well. 10/10.”
“Amazingly cool, as you would expect from Oakley. Comfortable to wear with a stylish one-piece lens.”
“Love these frames! I had been looking at them at the airport and they are such a good price here.”
“Good price, lightning-fast dispatch, proper new stock. Delighted, thank you.”
“Quality glasses – classic frames and a great look.”
“So happy with my glasses – easy ordering, fantastic price and prompt delivery. Would definitely recommend.”
“Good glasses – using them to cycle across the US. Ardor responded immediately when I contacted them.”
“Fab item, good delivery – will order from here again.”
“Great glasses at a very competitive price and excellent communication. Top service.”
“Love these wonderful-looking sunglasses – delivered in nice, secure packaging.”
“Smart designer sunglasses. Fit well and very comfortable.”
“These photochromic glasses are a game changer for off-road biking and mixed light.”
“Love them! Great fit – love the colours and lenses.”
“Excellent service, quick and reliable. Great price too.”
“Oakleys are still the best out there, and with the price at Ardor it’s a winning combination.”
“Absolutely love my glasses – they look amazing and fit brilliantly.”
“Really nice fit, comfortable and a good price.”
“I’m so glad I bought these glasses. They are as described and I love them.”
“Very nice frame that fits very well. Great quality too.”
“Fantastic clarity and perfect prescription.”
Designer Eyewear, Done Right.
Authorized UK retailer of Ray-Ban, Oakley, Gucci, Tom Ford, Persol, Saint Laurent and 25+ more. Every pair guaranteed authentic, dispatched from our Derby HQ with free UK delivery, 14-day returns and a 2-year warranty — prescription orders included.
100% Authentic. Direct from authorized brand partners.
Every Ray-Ban, Oakley, Tom Ford, Gucci and Persol you'll find here is sourced through our authorized partnerships — never resellers, never grey market. Each pair arrives in its original branded case with manufacturer documentation, ready to verify on the brand's official website.
Pair it with Carl Zeiss or Essilor prescription lenses, fitted in-house by qualified opticians — with anti-reflective, blue-light, photochromic or polarized upgrades to suit how you wear them.
Frames Picked For Your Face — Not Just Your Style
Not sure where to start? Our Shop by Face Shape collection groups frames by what genuinely flatters — round, oval, square, heart and oblong — so you're already shortlisted to what suits you.
Each frame is hand-curated by UK optical specialists who've fitted thousands of customers. Need help picking? Our face-shape guide walks you through it in under a minute — no email or signup required.
