Le 31
Juan Rounded Sunglasses
These Juan Rounded Sunglasses by Le 31 by Simons feature a matte black plastic frame with round dark gray polarized lenses. Designed in Canada, they provide 100% UV protection and glare reduction for outdoor activities. The lightweight full-rim construction includes a keyhole bridge and straight temples for a comfortable fit.
- Material
- plastic
- Gender
- unisex
- Style
- classic, minimal
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
Color
Size
Specifications
Rounded sunglasses with polarized lenses and 100% UV protection from Simons exclusive collection.
100% UV protection, polarized lenses, light plastic frame
- Material
- plastic
- Style
- classic, minimal
- Gender
- unisex
- Age Group
- adult
- Condition
- new
- Category
- Apparel & Accessories > Clothing Accessories > Sunglasses
Additional Attributes
- 100% UV protection
- light and comfortable plastic frame
- polarized lenses
- glare-free vision
- optimal colour perception
- designed in Canada
- rounded shape
Product Insights
Juan Rounded Sunglasses by Le 31, $29 CAD and in stock, suit narrow, square, heart, and diamond faces with a rounded shape that is not circular, flattering most men. Priced to undercut $35 Mai Tais and match ~$15 Sungait, they offer UV400/polarized lenses and exclusive Simons design. The black variant is a bestseller among 58 models, but the plastic frame requires a rigid case for durability. Their rounded shape flatters angular and narrow faces without looking costume-like, while 100% UV protection and polarized lenses reduce glare.
Verified claims
- Face shape
- Suits narrow, square, heart, and diamond face shapes
- Frame shape
- Rounded shape, not circular, is the most flattering frame shape for most men.
- Value
- CAD $19.99 — undercuts $35 Mai Tais and matches ~$15 Sungait, with UV400/polarized lenses and exclusive Simons brand.
- Bestseller
- Black variant is labeled BESTSELLER on Stylight among 58 Le 31 models.
- Durability
- Plastic frame benefits from storage in a rigid case to prevent bending.
- Style
- Rounded shape flatters angular and narrow faces; avoids costume-like circular.
- UV protection
- 100% UV protection rating is equivalent to UV400, blocking all UVA/UVB.
- Glare reduction
- Polarized lenses block horizontal glare from water, pavement, and cars.
- Lens features
- 100% UV protection (UV400) and polarized lenses reduce glare and eye fatigue.
- Design pedigree
- Exclusive designed-in-Canada Simons pedigree sets it apart from generic round frames.
Product record
- Title
- Juan Rounded Sunglasses
- Brand
- Le 31
- Price
- 29 CAD
- Availability
- In stock
Deep Research
Which face shapes suit round sunglasses
- The compact, round silhouette of the Juan naturally fits a narrower face better than wide aviators or oversized frames, because the lens width stays contained without extending past the temples — a fit advantage that Roav's 2026 round-sunglasses guide specifically calls out for slim face shapes.
- Unlike perfectly circular 'Harry Potter' glasses, the Juan's rounded shape — slightly curved at the bottom with a top that may be straighter — falls into the category that stylists at The Essential Man describe as the most flattering frame shape for most men: it fits within the 'Eyewear Sweet Spot' of lens coverage without reading as costume-like.
- Round sunglasses like the Juan create direct contrast against angular jawlines, wide foreheads, and prominent cheekbones, making them the most consistently flattering shape for square, heart, and diamond face shapes — the uninterrupted curve pulls the eye away from hard angles and balances strong features.
How the price stacks up to alternatives
- The Black Juan Rounded Sunglasses are flagged as a ‘BESTSELLER’ on Stylight’s aggregated Le 31 round-sunglass page, indicating stronger viewer interest and purchase velocity compared to the 58 other models — a useful proxy for market taste when choosing among nearly identical price points.
- Knockaround’s Mai Tais round polarized glasses are priced at $35 USD with a polycarbonate frame and UV400; the Le 31 Juan at CAD $19.99 on sale (roughly $14.50 USD) delivers a near-identical spec sheet — polarized, UV protection, lightweight plastic — for about 40% less, giving buyers a chance to own a similar-looking round silhouette with cash to spare.
- The Wirecutter-recommended Sungait Vintage Round retails for around $15 USD, so the Le 31 Juan at CAD $19.99 on sale (~$14.50 USD) is effectively in the same price tier — but with an ‘exclusive designed in Canada’ pedigree and a curated in-house style narrative that the generic Sungait cannot offer.
How durable the plastic frame is
- Storing these sunglasses in a rigid case when not in use prevents the accidental bending and hinge breakage that plastic frames are more susceptible to than metal ones, making a case the single most effective way to extend their active life beyond the first season.
What to expect from budget polarized lenses
- The listed 100% UV protection equates to UV400, meaning the lenses block all UVA and UVB radiation up to 400 nanometers—a measurable, testable standard that ensures basic eye safety on par with far pricier sunglasses, so the crucial protective function is not compromised by the low sticker price.
- The polarized layer works by filtering out horizontal light waves that create glare off water, pavement, and car hoods, which makes details look crisper and reduces eye fatigue during extended outdoor wear—the same principle that makes a $200 pair useful, just in a simpler package.
Image Analysis
1 images- 01
Product
Black round-frame sunglasses shown on a flat surface in a three-quarter front view; matte black frame, dark gray round lenses, straight temples with slightly curved earpieces; inner left temple shows small printed markings.
- Frame shapeRounded two-lens frame with a subtle keyhole bridge and full-rim construction; rims are uniform thickness and slightly thicker at the lower outer corners.
1 region
x 0.06 · y 0.48 · w 0.88 · h 0.28 (medium) - Frame finish and material appearanceMatte black opaque finish on the front rims and temples, appearing as a non-reflective plastic.
1 region
x 0.06 · y 0.48 · w 0.88 · h 0.28 (medium) - LensesRound dark gray lenses with even tint and no visible gradient or mirror coating.
2 regions
x 0.14 · y 0.52 · w 0.22 · h 0.22 (high); x 0.38 · y 0.52 · w 0.22 · h 0.22 (high) - Temple armsFlat, straight temples that extend back with a slight downward curve at the earpieces; right temple shown extended toward image right.
2 regions
x 0.60 · y 0.48 · w 0.34 · h 0.18 (high); x 0.06 · y 0.40 · w 0.40 · h 0.12 (medium) - Inner temple text and symbols“100% UV Protection CE”
1 region
x 0.15 · y 0.38 · w 0.26 · h 0.10 (medium) - Additional inner temple marking“China”
1 region
x 0.34 · y 0.40 · w 0.08 · h 0.06 (medium)
Other
Studio product shot on a light neutral background with soft shadow below and to the right; three-quarter front viewpoint with even diffuse lighting and minimal reflections on lenses.
- Shot compositionThree-quarter front view of the sunglasses placed on a flat light-gray surface, centered in the lower half of the image.
- Lighting and shadowDiffuse studio lighting with a soft shadow cast to the lower right of the product.
- Image qualityHigh-resolution clear image with sharp edges and visible small details on the inner temple text.
Colors
matte black· frame and temples#3A3B3Ddark gray· lenses#7A7D83- Frame shapeRounded two-lens frame with a subtle keyhole bridge and full-rim construction; rims are uniform thickness and slightly thicker at the lower outer corners.
Documents & Data
Customer Reviews
1 total1 reviews · out of 5
Sunglasses
I loved these glasses so much I bought 2 more pairs. They look great and are very sturdy. And the price is amazing . Designer style glasses without the designer price tag.
Q&A
2 answered- Are the Juan Rounded Sunglasses polarized?
- Yes, these sunglasses have polarized lenses for glare-free vision and optimal colour perception [1].
- Are the Juan Rounded Sunglasses lightweight?
- Yes, the frames are made of light plastic and designed to be comfortable [1].