
Saint Laurent
Monogram Massive Square Sunglasses
The Saint Laurent Monogram Massive Square Sunglasses are acetate-frame sunglasses featuring a square silhouette, metal YSL monogram detailing on the temples, and level 3 UV-protective nylon lenses. They are designed for sun protection and everyday wear, with an eye width of 57 mm, bridge width of 17 mm, and temple length of 145 mm. Made in Japan, each pair includes a designer case and cleaning cloth.
- Material
- Acetate frame
- Gender
- unisex
- Style
- edgy, classic, minimal
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
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
- Acetate's snap resistance and through-dyed color, along with shatterproof nylon lenses, contribute to a longer service life.
- Hypoallergenic
- Acetate frame is hypoallergenic and nickel-free, preventing skin reactions.
- Snap resistance
- Acetate frame flexes under stress rather than snapping, reducing breakage risk.
- 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 means the lenses block 100% of UVA and UVB radiation.
- Bright light
- Level 3 rating blocks 82-92% visible light, perfect for sunny days and driving, but not for low light.
- Glare reduction
- Level 3 lenses block 82–92% of visible light, reducing glare from reflective surfaces such as water, sand, and snow.
- Polarization
- The product information specifies Level 3 UV protection but does not state whether the lenses are polarized.
- Frame silhouette
- The frame has a rigid-looking square silhouette.
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.