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There are style icons, and then there is Serge Gainsbourg — a man who never followed fashion but somehow shaped it for generations. His influence wasn’t from perfect tailoring or carefully chosen outfits, but from the way he wore his clothes with a kind of effortless confidence that couldn’t be taught. Everything he wore felt lived-in, unapologetic, and unmistakably his. At a time when pop culture was loud and polished, Gainsbourg made imperfection look irresistible.

The striped sailor sweaters, worn denim, louche suits, trench coats, jazz shoes, and military shirts — none of it has aged. Instead, these pieces have become foundational elements in modern menswear, reappearing on runways and in everyday closets as a new generation relearns what he mastered decades ago: personality matters more than perfection. Gainsbourg didn’t just wear clothes; he used them as an extension of his mood, his music, and his refusal to conform.

This is why, even long after his era, men continue to look up to him for inspiration. Gainsbourg showed us that great style isn’t about following trends but about adopting a look so natural that it becomes part of your identity. His wardrobe was simple, but the way he wore it was extraordinary — a reminder that true elegance comes from attitude, not price tags.

Here are 10 style lessons from Serge Gainsbourg that still inspire the way men dress today, and why his signature moves remain iconic classics.

Style Lesson #1

Unbutton Your Shirt

If there’s one rule Serge Gainsbourg lived by, it’s that a shirt should never feel stiff or over-structured. He treated buttons like suggestions, not obligations. Leaving the top two — sometimes three — undone became part of his signature style. It wasn’t about showing skin; it was about signaling ease, confidence, and a refusal to dress for anyone but himself. The result was a look that felt relaxed, sensual, and quietly rebellious all at once.

Most men hesitate to unbutton beyond the first clasp, worried it might look too casual. Gainsbourg proved the opposite — that a slightly undone shirt can make you look more comfortable in your own skin. It softens tailored outfits, adds personality to simple ones, and instantly shifts your style from “try-hard” to “effortlessly cool.” His lesson still holds today: don’t be afraid to open things up a little. A few undone buttons can do more for your style than a perfectly pressed collar ever will.

Style Lesson #2

The British Trench Coat Move

Gainsbourg had a way of wearing a trench coat that felt unmistakably his — a mix of British tailoring and Parisian nonchalance. While most men see the trench as a polished, nearly formal outer layer, he approached it with relaxed confidence. The coat wasn’t meant to look perfect; it was meant to move with him. He’d throw it on over a wrinkled shirt, let the belt hang loose, the collar slightly lifted, the fabric catching in the breeze as if it were part of his stride.

The lesson isn’t about choosing the most expensive trench but about wearing it with personality rather than perfection. Let it hang naturally, avoid tightening the belt too much, and don’t mind a little rumpling. A trench looks best when it feels lived-in, not shiny. Gainsbourg knew that outerwear reflects attitude — and when you wear a trench with relaxed confidence, it transforms from just a coat into a statement piece.

What makes this move so timeless is its versatility. A trench coat worn the Gainsbourg way works in spring, autumn, day or night, dressed up or down. It adds a cinematic touch to a simple outfit and gives even the cleanest tailoring a hint of rebellion. It’s a small style shift — but once you try it, you’ll see why it’s one of his most enduring signatures.

Style Lesson #3

Invest in a Strong Paletot Coat

Of all the outerwear Serge Gainsbourg wore, the paletot coat was one of his subtle power moves. Double-breasted, slightly oversized, and beautifully structured, it conveyed an elegance that never felt forced. Gainsbourg leaned toward pieces with soft shoulders and a relaxed drape — coats that moved with him rather than sitting stiffly on his frame. It allowed him to find that perfect balance between polished and casual, looking sharp without ever seeming to try too hard.

It’s timeless, masculine, and capable of elevating almost everything beneath it, from casual denim to tailored suits. Its structure commands presence, while the gentle drape adds attitude — a combination that feels effortlessly cinematic. The key lesson is to own at least one coat that makes you feel like the star of your own film, and that’s how Gainsbourg understood that some pieces don’t just finish an outfit; they change how you move through the world.

Style Lesson #4

Let White Jazz Shoes Do the Talking

Gainsbourg did something few men would even try — he made white jazz shoes look effortlessly cool. Slim, bright, and a bit quirky, they shouldn’t have worked, yet on him they became a quiet trademark. He paired them with denim, soft tailoring, rumpled shirts, and even the occasional suit, allowing the shoes to add a subtle flash of personality without overwhelming the outfit. You don’t need bold pieces to stand out; you need one unexpected detail that feels unique for you. Whether it’s a jazz shoe, vintage boot, or an offbeat accessory, just make sure it gives you that look of character and confidence. His footwear calls on rebellion instead of shouting for attention, and sometimes the smallest choices speak the loudest.

Suit Up With Real Elegance

Many men still struggle to suit up properly, but Gainsbourg took a straightforward approach to his suit style. He wore suits the way most men wear T-shirts — naturally, comfortably, and with no stiffness. His jackets had soft shoulders, his trousers fell effortlessly, and nothing ever looked overly structured or carefully planned. He preferred pinstripes, navy wool, and muted tones, letting the cut and drape speak more than the fabric itself. While he wasn’t afraid of double-breasted jackets, he wore them with the same relaxed attitude — a slightly undone shirt, a casual slouch, a cigarette hanging lazily from his fingers — should I say more than this?

That’s the real elegance men can learn from today. A suit shouldn’t feel like a costume or something reserved for special occasions, but more of an extension of you—easy, fluid, and expressive. The real talk happens when tailoring becomes your second nature, rather than focusing on perfection and instead embracing comfort, movement, and personality. Gainsbourg proved that crisp lines or strict rules don’t create elegance; it’s created by the man inside the suit. Wear yours with that same quiet confidence, and suddenly the outfit transforms.

One of Gainsbourg’s greatest tricks was knowing how to let a suit breathe. He’d loosen a button, skip the tie, or pair formal tailoring with shoes that weren’t traditionally “proper.” That contrast — refined clothing worn with rebellious ease — is what made his style unforgettable, which showed how elegance doesn’t have to be rigid, but can move and breathe without overthinking it.

This brings us to this lesson: a suit isn’t meant to be intimidating but to empower. That’s why the majority of Gainsbourg’s tailoring never really shouted for attention, yet it always commanded presence. He understood that a well-cut suit gives a man quiet authority, even when everything else about him looks deliberately relaxed. That blend of softness and strength is what makes his elegance so timeless — and so worth borrowing today.

Style Lesson #6

Build Your Knitwear Wardrobe Around a Classic Sailor Sweater

Long before “quiet luxury” became a thing, Gainsbourg was already embodying it with one of his most iconic staples — the classic Breton sailor sweater. Striped, slightly loose, and worn with the confident ease that defined him, it became one of his most recognizable uniforms. He paired it effortlessly with denim, soft tailoring, trench coats, or simply a cigarette and a mischievous attitude. The beauty of the sailor sweater lies in its simplicity: clean, confident, and a true classic of French fashion.

You don’t see this often nowadays, but build your knitwear around a single timeless piece that instantly elevates everything you wear. A good sailor sweater adds personality to casual outfits, provides structure to more tailored looks, and introduces a touch of European cool to whatever you layer it over. It’s versatile, seasonless, and quietly stylish, and could become your signature without you even realizing it — exactly why it became Gainsbourg’s.

Style Lesson #7

How to Modernize the Denim-and-Black-Suit Mix

Gainsbourg had a talent for breaking rules in ways that somehow looked better than the rules themselves. One of his most underrated moves was pairing crisp black tailoring with relaxed, worn-in denim — a combination that shouldn’t work on paper but absolutely does in practice. The secret lies in the contrast: a structured jacket with soft jeans; sharp colours with a lived-in texture, and Gainsbourg created a balance between refinement and rebellion that feels more natural than being polished.

Modernizing this mix is a lot easier than it seems. Start with a black blazer that isn’t too stiff — something with soft shoulders and a bit of movement, a jacket that looks just as good open as it does buttoned. The key is to pair it with clean, mid-wash denim that’s slightly worn-in. No rips, and don’t overthink it. Let the contrast breathe. The black suit jacket adds sophistication; the jeans bring attitude, and together you get a look that feels relaxed, confident, and quietly intentional.

Style Lesson #8

The Revival of the Pinstripe

Before pinstripes became a runway staple again, Serge Gainsbourg was already reimagining them in his own rebellious way. He loved a pinstripe suit — not the power-dressing, boardroom type, but the softer, slightly disheveled version that felt more like a second skin than a formal uniform. His pinstripes slouched, moved, and breathed with him. He’d wear them with open collars, undone ties, unpolished boots — taking something traditionally strict and giving it personality. Gainsbourg showed that pinstripes don’t have to look corporate; they can look poetic, rebellious, even intimate.

Today, the pinstripe is back, but wearing it well still relies on that lesson. Choose a suit with a relaxed drape, softer shoulders, and a stripe that appears refined rather than loud. Skip the rigid styling and let the suit breathe — unbutton a few buttons, loosen the structure, or pair it with knitwear or denim to push the look. The aim isn’t to resemble a banker; it’s to appear as a man who knows that elegance doesn’t have to be uptight. That’s why the look continues to feel so modern.

Style Lesson #9

Own Unconventional Shades

Shades can be among the most expressive pieces a man wears, especially when the frames aren’t the typical, understated kind. Serge Gainsbourg was drawn to lenses that had character—slightly oversized shapes, soft tints, and styles that added mood rather than just blocking the sun. The goal isn’t to look eccentric; it’s to pick a pair that subtly changes your entire presence, something that feels personal and quietly distinctive. A rounded frame, a smoky tint, or a silhouette just different enough from the mainstream can give your outfit a sense of individuality without trying too hard. The right unconventional shades become part of your identity, not just an accessory, and that’s what makes them worth having.

Style Lesson #10

Turn a Classic US Army Shirt Into a Fashion Statement

Before the military-inspired style became a fixture in modern menswear, the US Army shirt was already quietly iconic, thanks to the way Serge Gainsbourg wore it. What might have seemed utilitarian or rugged became unexpectedly chic when he incorporated it into his wardrobe with that soft, Parisian nonchalance. He regarded the piece as a versatile layer — sometimes buttoned, sometimes open, always relaxed — pairing it with tailored trousers, washed denim, or a sharp jacket to create a balance of masculinity and ease that felt entirely his own.

One of his most memorable looks was the Army shirt left generously unbuttoned, paired with high-waisted white trousers, a style that radiated the kind of louche confidence only he could exude. It echoed the spirit of ‘60s cinema — perhaps a nod to David Hemmings in Blow-Up — but Gainsbourg’s take was much more carefree, complete with a Gitanes cigarette as the final touch.