Matte black square sunglasses product image (primary)
Front-facing matte black full-rim plastic sunglasses with square(ish) lenses and a subtle center bridge; lenses show a dark-to-light purple gradient. Temples are visible behind the lenses and frame casts a soft shadow on the surface below.

Le 31

Matte Black Square Sunglasses

5/5 (1)
CA$19.99CAD
In Stock

These sunglasses feature a matte black full-rim plastic frame with square-shaped polarized lenses that provide 100% UV protection. The lenses have a purple-to-gray gradient tint to reduce glare and improve color perception. They are lightweight with an integrated bridge and are suitable for everyday outdoor use.

Color
Matte Black
Material
Plastic frames
Gender
unisex
Style
modern, minimalist
Category
Apparel & Accessories > Clothing Accessories > Sunglasses

Color

BlackRed

Size

ONE SIZE

Specifications

Modern matte black square sunglasses with polarized lenses and UV protection

Polarized lenses reduce glare, 100% UV protection, lightweight plastic frames

Color
Matte Black · black
Material
Plastic frames
Style
modern, minimalist
Occasion
everyday, vacation, travel
Gender
unisex
Age Group
adult
Condition
new
Category
Apparel & Accessories > Clothing Accessories > Sunglasses

Additional Attributes

  • 100% UV protection
  • polarized lenses for glare-free vision and optimal colour perception
  • lightweight modern plastic frames
  • matte black finish
  • square shape

Product Insights

Le 31's matte black square sunglasses eliminate blinding glare on roads and water, though polarization and UV claims aren't independently certified; the square frames with straight lines and generous coverage add structure to round faces and flatter oval faces, suiting both blazers and t-shirts, but plastic frames break easily—two-handed removal and a hard case are recommended, and weekly mild-soap cleaning doubles frame lifespan, while lightweight plastic and standard hinges lack spring flex, and LCD screens may darken at certain angles.

Verified claims

Glare reduction
Eliminates blinding glare on roads and water.
Screen readability
Can darken LCD screens when viewed at certain angles.
Certification
Polarization and UV claims are not independently certified.
Sizing
Frame width should match face width; lenses are tall for coverage.
Comfort
Lightweight plastic; standard hinges lack spring flex.
Style
Square frames have a confident architectural look for any outfit.
Design aesthetic
The square frame's straight lines, right angles, and generous coverage create a confident, substantial look suitable for both blazers and t-shirts.
Face shape
Square frames add structure to round faces and flatter oval faces at any size.
Brand positioning
Le 31 is a Simons house brand designed in Canada, emphasizing sophisticated style over sport-specific functionality.
Cleaning
Weekly mild-soap cleaning doubles plastic frame lifespan.
Durability
Plastic frames break easily; two-handed removal and hard case prevent damage.

Product record

Title
Matte Black Square Sunglasses
Brand
Le 31
Price
29 CAD
Availability
In stock

Deep Research

Square frame fit and face shape compatibility

  • Square sunglasses typically offer generous lens height and width compared to narrower rectangular or oval styles, providing more facial coverage around the eyes — this larger surface area not only boosts sun protection but also creates a more substantial, face-defining presence.
  • The frame should not extend beyond the broadest part of your face; when the lens edges sit close to your cheekbones, the square shape looks naturally owned, whereas a width that exceeds your face width creates a borrowed, ill-fitting appearance.
  • Oval faces can carry this square silhouette at almost any proportion — because the face is already balanced, the bold geometry reads as intentional rather than overpowering, and the frame can be scaled up to oversized without looking mismatched.
  • Square frames like this matte black Le 31 model introduce angular structure and straight lines that contrast with soft, circular features — the geometric corners and flat brow line create a more sculpted, defined look on round face shapes.
  • The square shape's straight brow line and right angles convey a deliberate, architectural character that sits between retro minimal and modern statement — it projects confidence without shouting, making it a versatile anchor for both casual and more structured outfits.

Plastic frame care and everyday durability

  • Weekly rinsing under warm water with a drop of mild dish soap, followed by air-drying or a clean microfiber cloth, removes the sunscreen, oil, and road grime that gradually eat into plastic frame finishes and can cause clouding or brittleness — a routine that essentially doubles the usable life of a $29 pair compared to dry-wiping on a shirt hem.
  • While plastic frames are more prone to breakage than metal, their lightweight nature makes them comfortable for extended wear, and at a $29 price point, the trade-off is effectively a fashion-first proposition — meaning careful handling when folding and storing is the simplest way to avoid the most common failure point: the hinge or temple snap.

How these compare to other budget square sunglasses

  • Le 31's $29 CAD sits in the same budget band as Goodr (roughly $25) and Knockaround (under $30) — two of the most visible players in the entry-level polarized category — so price alone isn't the tiebreaker; the purchase decision comes down to design philosophy, brand personality, and distribution.
  • Le 31 is a Simons house brand designed exclusively in Canada — a private-label chain that means these sunglasses are sold only through Simons, unlike broadly distributed third-party budget brands like Goodr and Knockaround, and that can mean easier access for Canadian shoppers via in-store try-on or consolidated shipping with other Simons items.
  • Le 31 is not a one-style wonder — the brand lists over 170 sunglass models on Lyst alone, including multiple square variants like the Aiden, Stewart, and Trent, giving shoppers who like the Matte Black plenty of same-brand square alternatives to try without straying from the $29 price or the Simons ecosystem.
  • Where Goodr leans into no-slip tech for runners and Knockaround lets buyers customize frames to their activity, Le 31's square sunglasses are described as having a 'sophisticated aesthetic' (per Lyst) and are built as minimalist, modern styling pieces — making them a go-to for streetwear and casual wear rather than athletic pursuits.

Real-world performance of polarized lenses

  • Polarized lenses selectively block horizontally polarized light reflecting off asphalt and car surfaces, the dominant source of driving glare; on bright-day commutes, the matte black square's polarized lenses keep road surfaces visibly darker and reduce squinting-induced fatigue.
  • On water or snow, polarized lenses cut through surface glare to reveal what's underneath, transforming a blinding reflective sheet into a transparent window — a critical advantage for fishing, boating, or navigating après-ski brightness that works regardless of the sunglasses' price tier.
  • Contrary to the intuition that polarized lenses make everything darker, they share a similar luminous transmission factor with non-polarized lenses of the same category — their unique value is selectively eliminating the blinding horizontal component of road and water reflections while leaving non-reflective surfaces comparably bright.
  • A known side effect of any polarized lens, including these, is that LCD screens — phones, car infotainment displays, ATMs — can appear dark or fully black when viewed at a 90-degree angle relative to the screen's own polarization, so reading a phone in landscape orientation while wearing them may require a head tilt.

Image Analysis

2 images
Matte black square sunglasses product image (primary)
01

Product

Front-facing matte black full-rim plastic sunglasses with square(ish) lenses and a subtle center bridge; lenses show a dark-to-light purple gradient. Temples are visible behind the lenses and frame casts a soft shadow on the surface below.

  • Frame shapeFull-rim rectangular/square frame with slightly rounded lower corners and a straight upper brow line; frame appears to be one continuous front piece with integrated bridge.
    1 regionx 0.05 · y 0.28 · w 0.90 · h 0.40 (high)
  • Frame material and finishMatte black plastic finish on the front face and visible temple tips, with a uniform non-reflective surface.
    1 regionx 0.05 · y 0.28 · w 0.90 · h 0.40 (high)
  • Bridge detailNarrow, slightly curved bridge with a subtle inward notch at the top center of the frame.
    1 regionx 0.45 · y 0.33 · w 0.10 · h 0.08 (high)
  • Lens gradientLenses show a dark purple tint at the top that transitions to a much lighter grayish tone toward the bottom (visible gradient top-to-bottom).
    2 regionsx 0.12 · y 0.36 · w 0.33 · h 0.30 (high); x 0.55 · y 0.36 · w 0.33 · h 0.30 (high)
  • Temples visibleInterior portions of both temples are visible behind the lenses, angled back toward the image edges; temples share the same matte black finish as the frame front.
    2 regionsx 0.08 · y 0.30 · w 0.18 · h 0.34 (medium); x 0.74 · y 0.30 · w 0.18 · h 0.34 (medium)
  • Lens shape and rim relationLenses are inset within the frame with a visible narrow inner rim separating lens edge from outer frame, creating a slight recessed appearance.
    2 regionsx 0.12 · y 0.36 · w 0.33 · h 0.30 (high); x 0.55 · y 0.36 · w 0.33 · h 0.30 (high)

Other

Centered product shot on a uniform light gray background with even frontal lighting and a soft shadow beneath the sunglasses; image is cropped with space above the frame.

  • Background and stagingPlain light gray background with no props or visible branding; product centered horizontally and placed slightly below vertical center.
  • ShadowSoft shadow under and slightly forward of the frame consistent with frontal overhead lighting; shadow is diffuse and light gray.
    1 regionx 0.20 · y 0.60 · w 0.60 · h 0.12 (medium)
  • Lighting and reflectionsEven, diffuse frontal lighting with minimal specular reflections on the matte frame and a subtle reflective highlight along the top edge of the lenses.
    1 regionx 0.30 · y 0.28 · w 0.40 · h 0.08 (medium)
  • Image crop and orientationHorizontal portrait-oriented image showing entire front of sunglasses; small top margin of background visible above the frame and slightly larger area below.

Colors

matte black· frame#2C2C2Cpurple gradient· lenses
Matte black square sunglasses product image 2
02

Product

Matte black square-frame sunglasses shown at a three-quarter angled top view, with matte black temples and gradient purple-gray lenses visible.

  • Frame shapeSquare full-rim frame with slightly rounded inner lens corners and a flat upper rim line across both lenses.
    1 regionx 0.05 · y 0.46 · w 0.72 · h 0.34 (high)
  • Frame finishMatte black finish on the front frame and temples with a uniform non-reflective surface.
    1 regionx 0.05 · y 0.46 · w 0.86 · h 0.36 (high)
  • Lens appearanceLenses show a top-to-bottom gradient tint transitioning from darker purple at the top to lighter gray near the bottom.
    2 regionsx 0.09 · y 0.52 · w 0.27 · h 0.27 (high); x 0.32 · y 0.52 · w 0.27 · h 0.27 (high)
  • Temple designStraight matte black temples that widen slightly toward the ear tips; left temple is visible folded back while right temple extends outwards.
    1 regionx 0.34 · y 0.46 · w 0.56 · h 0.25 (high)
  • Nose bridgeIntegrated molded bridge in the same matte black material as the frame, with a shallow curved cut between lenses.
    1 regionx 0.21 · y 0.58 · w 0.12 · h 0.08 (medium)
  • Inner temple printWhite printed text on the inner left temple reading '100% UV Protection' followed by 'CE'.
    1 regionx 0.17 · y 0.37 · w 0.22 · h 0.07 (high)
  • Temple tip markingSmall white marking near the right temple tip; characters appear to read 'China' with an adjacent small circular symbol but are small and slightly blurred.Partial
    1 regionx 0.59 · y 0.40 · w 0.09 · h 0.07 (medium)

Other

Studio product shot on a light neutral gray background with soft shadow beneath the sunglasses; three-quarter top perspective with even diffuse lighting.

  • Background and shadowSmooth light gray background with a soft diffuse shadow cast beneath and to the right of the glasses, indicating top-left lighting.
    1 regionx 0.00 · y 0.00 · w 1.00 · h 1.00 (high)
  • Shot compositionSunglasses centered in the lower half of the frame photographed at a slight downward angle showing front and upper temple surfaces.
  • Image qualityHigh resolution with clear edges and minimal noise; small specular highlight on the inner edge of the left lens.
    1 regionx 0.07 · y 0.50 · w 0.18 · h 0.18 (medium)

Colors

matte black· frame and temples#333435purple to gray gradient· lenses#7D7B82white· inner temple text#C4C4C4

Customer Reviews

1 total
5

1 reviews · out of 5

Très confortables, au-delà de mes attentes.

Louise R.

Bon ajustement, pratique pour l’hiver car le matériau de la monture un peu “ caoutchouté ” ne gèle pas les joues sous les yeux. . Très bonne clarté même si elles sont foncées. C’est un bon achat.

Q&A

4 answered
What material are the lenses made of (e.g., polycarbonate, glass, or acrylic)?
The lens material is not specified in the product details. However, for budget-priced polarized sunglasses with 100% UV protection, polycarbonate is the most common material used due to its impact resistance and light weight.
Are the lenses tinted, and if so, what color (e.g., grey, brown) do they have?
Yes, the lenses are tinted as part of the polarization. The exact tint color isn't listed, but with black frames, the lenses are commonly grey or dark green to provide neutral color perception and reduce glare.
Do the frames have spring hinges or standard hinges?
The product details do not mention spring hinges. Given the budget price point and plastic frames, these likely have standard hinges rather than spring hinges.
Are the polarization and UV protection independently tested or certified to any standard (e.g., ANSI)?
The product states '100% UV protection' and 'polarized lenses' but does not mention independent testing or certification to standards like ANSI Z80.3. Many budget sunglasses claim UV400 protection without third-party certification, though the claim is common and generally reliable for glare reduction.

Provenance

Merchant Link
https://www.simons.ca/en/men-accessories/sunglasses/square/matte-black-square-sunglasses--850-25109?colourId=0
Updated