Collection: Persol Men's Square Sunglasses

Few frames carry the quiet authority of Persol men's square sunglasses, and this collection gathers the sharpest of them in one place. Built by the Turin house that has been making eyewear "per il sole" — for the sun — since 1917, these are square and squared-off styles designed with a masculine fit in mind: strong brow lines, generous lenses and the crisp geometry that has defined Persol's most iconic designs. As an authorised UK stockist, Ardor Eyewear supplies every pair as 100% genuine Persol, with prices in this collection running from around £115 to £295. Whether you want a daily driver or a heritage statement piece, the square silhouette is where Persol's engineering and Italian style meet most convincingly.

The heritage behind Persol men's square sunglasses

The square Persol is not a passing trend — it is the shape at the heart of the brand's legend. The 649, launched in 1957, was originally designed for Turin tram drivers who needed to shield their eyes from wind and grit, and its slightly squared, substantial profile became a design icon in its own right. That lineage runs directly into the frames you will find here. Models such as the PO3019S, PO3292S, PO3348S, PO3375S, PO3355S and PO3199S all carry the square DNA in different weights and proportions, from clean modern acetate blocks to bolder retro-inspired fronts.

Two engineering signatures set these frames apart. The Meflecto system uses flexible metal rods inside the temple arms so they gently adapt to the shape of your head, keeping the sunglasses comfortable and secure through a long day outdoors. And the Supreme Arrow — the sculpted silver hinge motif stretched across the temple — is Persol's unmistakable calling card, a detail lifted from the folding frames the brand made famous. Many Persol men's square sunglasses also use crystal lenses ground for optical clarity, a nod to the brand's origins in precision eyewear rather than fashion accessories.

Why the square shape suits men so well

Square and squared frames are among the most flattering and versatile shapes a man can wear, which is exactly why they anchor this collection. The straight brow line and defined corners add structure to the upper face and read as confident and classic rather than fussy. As a rule of thumb:

• Round and oval faces benefit most from a square frame — the angles introduce definition and balance softer features.
• Square and rectangular faces can also carry the shape well, especially in slightly rounded-square or "panto-square" designs that soften the strongest lines.
• Larger faces suit a wider, bolder square front, while a medium square keeps the proportions right on a narrower face.

If you prefer to compare shapes side by side, our wider square shape sunglasses and men's sunglasses collections place the Persol squares alongside other leading designs. Those drawn to a more curved profile may also want to browse aviator sunglasses for contrast.

Lens technology and sun protection

Persol has always treated the lens as seriously as the frame. Many models in this collection use tempered or crystal glass lenses prized for their scratch resistance and edge-to-edge clarity, and the range includes polarised options that cut glare bouncing off water, glass and the road — a genuine benefit for driving and time near the coast. Classic Persol lens tints run from the warm brown of the original 649 to deep greens and greys, each altering contrast in a slightly different way. If polarised performance is your priority, our dedicated prescription sunglasses service can pair that technology with your own vision correction, and you can explore the full house range in Persol sunglasses.

Prescription square sunglasses

Most of these Persol men's square sunglasses can be glazed with your prescription through Ardor Eyewear. We offer single-vision, varifocal and bifocal tinted lenses, as well as polarised and photochromic options, so you can wear a genuine Persol square without compromising on clear sight. Prescription sun orders take around seven to ten working days for glazing before dispatch. It is a straightforward way to own driving sunglasses that are both authentic and made for your eyes.

Materials — acetate, metal and the Persol blend

The square shape appears here in several constructions. Rich cellulose acetate gives the boldest fronts their depth of colour, from solid black to the layered honey-and-coffee tones of Persol's celebrated Havana. Metal and combination frames bring a lighter feel and slimmer lines, often with the Supreme Arrow rendered in the temple. Acetate is warm against the skin and hypoallergenic, which suits anyone whose skin reacts to metal, while the flexible Meflecto core keeps even the chunkiest acetate square comfortable. Choosing between them is largely a matter of the look you want — a statement block or a more understated everyday frame.

Styling your Persol square sunglasses

The strength of a square Persol is how easily it dresses up or down. A black or Havana square pairs naturally with tailoring for a polished, cinematic look, and works just as well with a linen shirt and chinos in summer or a casual jacket and jeans at the weekend. Because the shape is timeless rather than trend-led, a good pair earns its place year after year rather than dating with the season. For an everyday capsule, many men keep a versatile square in Havana and reach for it with almost anything.

Why buy from Ardor Eyewear

Ardor Eyewear is an authorised UK stockist of genuine designer eyewear, so every pair of Persol men's square sunglasses is 100% authentic and supplied new and complete. We offer free UK shipping, a 14-day returns policy with return postage paid by the customer, and a full in-house glazing service for prescription sun lenses. For a broader look, our designer sunglasses collection sits Persol among the other great names in eyewear.

Frequently asked questions

What makes Persol men's square sunglasses different from other brands?

Two things above all: the Meflecto flexible-stem system that adapts the temples to your head for comfort, and the Supreme Arrow hinge that is Persol's signature detail. Many models also use crystal lenses ground for optical clarity, reflecting the brand's roots in precision eyewear.

Are these genuine Persol sunglasses?

Yes. Ardor Eyewear is an authorised stockist and every pair is 100% genuine Persol, supplied new and complete with no replicas or grey-market stock.

Can I get Persol square sunglasses with my prescription?

Most frames in this collection can be glazed with a prescription. We offer single-vision, varifocal and bifocal lenses, plus polarised and photochromic tints. Prescription sun orders take roughly seven to ten working days for glazing.

Which face shapes do square frames suit?

Square frames are especially flattering on round and oval faces, where the angles add definition. They also work on square and rectangular faces, particularly in softer rounded-square designs. Matching the frame width to your face is the key to getting it right.

Are Persol square sunglasses good for driving?

Yes. Many models are available with polarised lenses that cut glare from the road, water and glass, and the generous square lenses give a wide field of view. Polarised options can also be paired with a prescription.

How much do they cost?

Persol men's square sunglasses in this collection are priced from around £115 to £295, depending on the model and construction. Adding prescription lenses will change the final price.

What is your delivery and returns policy?

We offer free UK shipping. Non-prescription sunglasses are dispatched promptly, while prescription orders take around seven to ten working days for glazing. Returns are accepted within 14 days, with return postage paid by the customer.