
Saint Laurent
Monogram Massive Square Sunglasses
These Saint Laurent sunglasses feature a glossy black acetate square frame with green-gray nylon lenses and a metallic gold YSL monogram on the temple. They provide Level 3 UV protection for sunny conditions. The frame measures 57 mm eye width, 17 mm bridge, and 145 mm temple length, and includes a designer case and cleaning cloth.
- Material
- Acetate frame
- Gender
- unisex
- Style
- edgy, classic, minimal
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
Color
Size
Specifications
Rock-inspired refined square acetate sunglasses with YSL monogram and UV protection.
Acetate frame, level 3 UV protection, metallic YSL signature, includes designer case and cleaning cloth, made in Japan.
- Material
- Acetate frame
- Style
- edgy, classic, minimal
- Occasion
- vacation, beach-day, concert, everyday
- Gender
- unisex
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
Additional Attributes
- Acetate frame
- Square shape
- Level 3 UV protection
- Metallic YSL signature on temples
- Designer case included
- Cleaning cloth included
- Made in Japan
- Eye width: 57 mm
- Bridge: 17 mm
- Temple length: 145 mm
Product Insights
The Saint Laurent Monogram Massive Square Sunglasses combine Sabae Japanese craftsmanship—over 200 steps and multi-day hand-polishing—with a heat-moldable, through-dyed acetate frame that is hypoallergenic, nickel-free, and snap-resistant for longevity. Low-density nylon keeps the oversized silhouette comfortable and slip-free, while the Casandre monogram (a metal emblem from 1961) and temple inscription anchor the design. Level 3 UV400 protection blocks 82–92% of visible light, ensuring full UVA/UVB coverage and clear LCD screen readability, but trades polarized glare reduction for color accuracy and frame identity; not suited for low light.
Verified claims
- Casandre monogram
- The Casandre monogram on the hinge is a metal emblem from 1961, also on handbags, and paired with a temple inscription.
- Craftsmanship
- Sabae Japanese craftsmanship: 200+ steps, multi-day hand-polishing, artisan certified.
- Heat adjustment
- Acetate frame can be heat‑adjusted by an optician for a slip‑free, comfortable fit.
- Through-dyed color
- Through-dyed acetate preserves color at hinges and under scratches.
- Durability
- Through-dyed color and heat-moldable frame enhance longevity.
- Hypoallergenic
- Acetate frame is hypoallergenic and nickel-free, preventing skin reactions.
- Snap resistance
- Acetate frame flexes under stress rather than snapping, reducing breakage risk.
- Adjustability
- Acetate frame can be heat-adjusted repeatedly over its lifetime for a custom fit.
- Weight
- Low-density nylon (1.01 g/cm³) keeps the large frame comfortable and slip-free.
- Fit & comfort
- Lightweight nylon and heat-moldable acetate keep the oversized frame secure.
- UV protection
- Level 3 rating ensures UV400 protection, blocking all UVA and UVB.
- Bright light
- Level 3 rating blocks 82-92% visible light, perfect for sunny days and driving, but not for low light.
- Screen readability
- LCD screens stay fully readable while wearing these sunglasses.
- Glare reduction
- Blocks 82–92% of visible light; reduces glare but not polarized reflections.
- Design positioning
- Frame identity and color accuracy prioritized over polarized glare reduction.
Product record
- Title
- Monogram Massive Square Sunglasses
- Brand
- Saint Laurent
- Price
- 600 CAD
- Availability
- In stock
Image Analysis
1 images- 01

Product
Glossy black full-rim square sunglasses with slightly upswept outer corners, green-gray tinted lenses, and a small gold monogram on the right temple; shown at a three-quarter front-right angle.
- Frame shapeThick full-rim square frame with slightly upswept outer corners creating a mild cat-eye effect; bridge is integrated and continuous with the front frame.
1 region
x 0.05 · y 0.28 · w 0.60 · h 0.45 (high) - Frame finish and material appearanceHigh-gloss smooth surface on the frame and temples consistent with polished acetate or similar glossy plastic.
1 region
x 0.05 · y 0.28 · w 0.85 · h 0.50 (high) - LensesSingle-piece green-gray tinted lenses with uniform tint; lenses sit flush with inner rim and have a slight reflective sheen.
2 regions
x 0.14 · y 0.34 · w 0.36 · h 0.36 (high); x 0.40 · y 0.34 · w 0.36 · h 0.36 (high) - Right temple detailRight temple visible at a three-quarter angle with a small metallic gold monogram emblem applied near the hinge on the outer face.
1 region
x 0.62 · y 0.39 · w 0.20 · h 0.17 (high) - Hinges and temple profileTemples are straight with a slight taper toward the tips; hinge area forms a subtle rectangular block where the temple meets the front frame.
1 region
x 0.55 · y 0.36 · w 0.30 · h 0.22 (high) - Nose areaIntegrated molded nose bridge with slight contouring visible where lenses meet at the center.
1 region
x 0.33 · y 0.44 · w 0.12 · h 0.10 (medium)
Other
Three-quarter front-right studio shot on a light neutral background with soft shadow beneath the sunglasses; even diffuse lighting and a visible soft shadow to the right and below the product.
- Shot compositionSunglasses photographed at a low three-quarter front-right angle, showing front and right temple with the left temple receding into the background.
- Background and surfaceEven light gray to off-white seamless background and surface with a soft diffuse shadow cast by the sunglasses to the lower right.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Lighting and reflectionsSoft, even studio lighting creating subtle highlights on the glossy frame edges and faint reflections on the lens surfaces.
Colors
gloss black· framegreen-gray tint· lenses#717E7Emetallic gold· right temple monogram- Frame shapeThick full-rim square frame with slightly upswept outer corners creating a mild cat-eye effect; bridge is integrated and continuous with the front frame.