Le 31
Logan Classic Square Sunglasses
The Logan Classic Square Sunglasses from Le 31 by Simons are square-frame sunglasses with a lightweight plastic construction and polarized lenses. Designed in Canada, these unisex sunglasses offer 100% UV protection and glare-free vision for everyday outdoor use. The glossy black frame features gradient gray lenses and metallic rivet details at the corners.
- Material
- plastic
- Gender
- unisex
- Style
- classic, minimal
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
Color
Size
Specifications
Classic square sunglasses with polarized lenses and UV protection, designed in Canada by Le 31 by Simons.
Polarized lenses, 100% UV protection, light plastic frame
- Material
- plastic
- Style
- classic, minimal
- Occasion
- everyday, vacation, travel, beach-day
- Gender
- unisex
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
Additional Attributes
- light and comfortable plastic frame
- polarized lenses
- 100% UV protection
- classic square shape
- designed in Canada
- exclusive Le 31 by Simons design
Product Insights
The Logan Classic Square Sunglasses by Le 31 offer a mid-width square frame that flatters most face shapes, avoiding the narrowing effect of oversized designs. The lightweight plastic frame resists corrosion from salt water and sunscreen, maintains fit stability in humidity, and provides impact and drop protection through its full-rim structure. However, while listed with 100% UV protection, the lack of a UV400 label introduces uncertainty, and the coating requires careful cleaning with a soft cloth to avoid scratches.
- Material
Plastic frame is lighter than standard acetate frames (often over 40g) and resists corrosion from salt water and sunscreen.
Why this is supported
Catalog verified that the plastic construction provides weight and corrosion benefits. Research notes that
heavy acetate squares can exceed 40g and slide down the nose, the Logan's light plastic construction keeps the frame planted with minimal clamping pressure
Square frame fit and sizing — lightweight_frame_vs_acetateThe lighter mass also means
the lower mass reduces the need for temple adjustment to prevent slipping
Square frame fit and sizing — lightweight_frame_vs_acetate. Additionally, the material resists degradation:
The plastic frame material will not develop the green-tinted corrosion or surface pitting that metal-framed sunglasses often suffer after repeated salt-water and sunscreen exposure
Plastic frame durability and comfort — corrosion_proof_frame_bodyThis combination ensures a stable fit without slipping and long-term appearance.
The plastic construction noted in the product description is also quite lightweight:
the Logan's light plastic construction keeps the frame planted with minimal clamping pressure
Square frame fit and sizing — lightweight_frame_vs_acetate. This counterbalances the one-size limitation for a secure fit.
The plastic frame is inherently resistant to the corrosion and surface pitting that metal frames suffer from saltwater and sunscreen, so the sunglasses remain presentable after beach use without needing a rinse.
- Proportion
Mid-width square frame flatters most face shapes by avoiding the narrowing effect of oversized squares.
Why this is supported
A Catalog research analysis comparing classic square proportions to oversized trends found that the Logan's mid-width design avoids the face-narrowing effect of oversized 57mm+ squares, making it flattering for first-time square-frame buyers.
- Proportions
Classic mid-width square avoids face-narrowing effect of oversized 57mm+ frames.
Why this is supported
Research into square frame proportions indicates that the classic mid-width design
avoids the dramatic face-narrowing effect of 57mm+ oversized squares
Square frame fit and sizing — classic_square_vs_oversized_trend. This makes the style more approachable for wearers new to angular shapes.
- Impact protection
Full-rim plastic frame distributes impact force, reducing risk of lens pop-out or edge cracking.
Why this is supported
The full-rim encasement is designed to
. This design leverages the plastic frame's rigidity and full-rim geometry to protect the lenses.
- Corrosion resistance
Plastic frame resists corrosion from saltwater and sunscreen, staying presentable through repeated beach use.
Why this is supported
The plastic material
will not develop the green-tinted corrosion or surface pitting that metal-framed sunglasses often suffer after repeated salt-water and sunscreen exposure
Plastic frame durability and comfort — corrosion_proof_frame_body, so the Logan remains presentable without needing a freshwater rinse.
- Drop protection
Full-rim frame protects lenses from impact when dropped.
Why this is supported
The full-rim lens encasement was confirmed in product images, showing the entire lens circumference enclosed by the frame. This design distributes force around the rim instead of concentrating it at a single point, reducing the chance of lens popping out or cracking during drops or jostling in a beach bag.
- Fit stability
Lightweight frame stays secure on humid days.
Why this is supported
the Logan's light plastic construction keeps the frame planted with minimal clamping pressure
Square frame fit and sizing — lightweight_frame_vs_acetate, reducing the need for temple adjustments in humid conditions.
- Coating care
Use soft cloth and lens cleaner to prevent scratches from sand.
Why this is supported
Beach sand and salt can scratch the polarized coating. The manufacturer recommends cleaning only with a soft microfiber cloth and a lens cleaner specifically designed for eyewear, avoiding paper towels or household cleaners. This advice comes from the product's Q&A material.
- UV protection
Listed as 100% UV protection without UV400 label.
Why this is supported
The listing claims 100% UV protection but does not explicitly state UV400 compliance. Eye health experts note that
UV400 is the gold standard that blocks 100% of UVA and UVB rays up to 400 nanometers
Does the 100% UV protection indicate UV400 blocking?This distinction creates a subtle ambiguity for buyers seeking explicit assurance.
- Cleaning
Only microfiber cloth and lens cleaner are safe; paper towels damage coating.
Why this is supported
The brand's Q&A instructs using only a microfiber cloth and eyewear-specific lens cleaner, and warns that paper towels, tissues, or household cleaners will damage the polarized coating.
Image Analysis
2 images- 01
Product
Front-facing square acetate sunglasses with a full-rim glossy black frame, integrated plastic bridge, and gradient-tinted rectangular lenses. Small metal rivet details are visible at the upper outer corners and the temples extend rearward and are partially visible through the lenses.
- Frame shapeFull-rim squared frame with slightly rounded inner lens corners and a straight-top browline that angles down slightly toward the bridge.
1 region
x 0.05 · y 0.22 · w 0.90 · h 0.56 (high) - Finish and material appearanceHigh-gloss black finish consistent across the visible frame and temples, reflecting studio light highlights.
1 region
x 0.08 · y 0.24 · w 0.84 · h 0.48 (high) - Bridge constructionIntegrated molded plastic bridge with a gentle concave contour between the lenses; no separate nose pads visible.
1 region
x 0.44 · y 0.40 · w 0.12 · h 0.10 (high) - Lens tintGradient-tinted lenses that are darker at the top and transition to a lighter gray toward the bottom.
2 regions
x 0.12 · y 0.31 · w 0.35 · h 0.28 (high); x 0.53 · y 0.31 · w 0.35 · h 0.28 (high) - Corner rivet detailsTwo small circular metal rivets visible on the outer upper corner of each front frame panel.
2 regions
x 0.03 · y 0.30 · w 0.06 · h 0.10 (high); x 0.91 · y 0.30 · w 0.06 · h 0.10 (high) - Temples visibleTemple arms extend rearward from the hinges and are partially visible behind the lenses, appearing the same glossy black as the frame.
2 regions
x 0.20 · y 0.36 · w 0.20 · h 0.22 (medium); x 0.60 · y 0.36 · w 0.20 · h 0.22 (medium)
Other
Studio product shot on a light gray background with a soft shadow cast beneath the glasses, even diffuse lighting, and slight reflections on the frame surface.
- Background and surfaceUniform light gray background and flat surface; glasses rest horizontally and cast a soft shadow beneath their lower edge.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Lighting and reflectionsEven diffuse studio lighting producing soft highlights along the top edges of the glossy frame and subtle reflections on the lens surfaces.
- Shot compositionFront-on centered composition with the frame aligned horizontally near the middle of the image and equal margins left and right.
- Image qualitySharp focus on the sunglasses with no visible text or logos legible in the image.
Colors
gloss black· frame#0D0E0Ddark gray· lens top gradient#4B3E43light gray· lens bottom gradient#B4B3B1- Frame shapeFull-rim squared frame with slightly rounded inner lens corners and a straight-top browline that angles down slightly toward the bridge.
- 02
Product
Glossy black square plastic sunglasses with thick temples, gradient dark lenses, and small silver rivet details on the front corners. Visible inner temple marking '100% UV Protection' and CE mark.
- Frame shapeSquare front frame with slightly rounded inner corners and a straight upper rim; frame appears to be a single-piece glossy plastic construction.
1 region
x 0.10 · y 0.40 · w 0.60 · h 0.33 (high) - Lens appearanceDark gray gradient lenses that are darker at the top and transition lighter toward the bottom.
2 regions
x 0.14 · y 0.49 · w 0.32 · h 0.27 (high); x 0.40 · y 0.49 · w 0.30 · h 0.27 (high) - Temple styleThick straight temples that taper slightly toward curved tips; temples are the same glossy black material as the frame.
2 regions
x 0.05 · y 0.12 · w 0.40 · h 0.30 (medium); x 0.50 · y 0.12 · w 0.45 · h 0.30 (medium) - Rivet detailTwo small round metallic rivet dots visible near the outer upper corner on each front corner of the frame.
2 regions
x 0.09 · y 0.47 · w 0.05 · h 0.06 (high); x 0.66 · y 0.47 · w 0.04 · h 0.06 (high) - Inner temple markings“Printed text on the inner side of the left temple reading 100% UV Protection and a CE conformity mark.”
1 region
x 0.11 · y 0.14 · w 0.30 · h 0.10 (high)
Other
Three-quarter front view on a flat light gray background with a soft shadow beneath the sunglasses. The image is well lit with minimal reflections on the glossy frame.
- Shot compositionThree-quarter front-top view showing the front and both temples with the right temple angled toward the camera.
- Background and shadowPlain light gray background with a soft diffuse shadow cast below and slightly right of the sunglasses.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (low) - Lighting and reflectionsEven diffuse lighting producing soft highlights on the glossy plastic surfaces and subtle reflection in the lenses.
Colors
gloss black· frame and temples#0D0E0Ddark gray gradient· lenses#4D4C4Cmetallic silver· rivet dots- Frame shapeSquare front frame with slightly rounded inner corners and a straight upper rim; frame appears to be a single-piece glossy plastic construction.