The Story Behind Two-Tone Clothing in British Subculture

There’s a reason tonic suits still turn heads, 60 years after they first hit Carnaby Street. Two-tone dressing is more than just a colourway; it’s one of the most enduring and alluring stylistic statements to emerge from British youth culture. Today, it remains as sharp as the Mods who first claimed it.

What is Two-Tone Dressing?

Two-tone, or tonic, cloth is woven from two different-coloured threads, usually a blend of mohair and wool. Tonic became iconic because of the way the fabric shifts between shades as the wearer moves and the angle of the light changes.

Tonik cloth, as it was originally known, was created in the late 1950s by the French-British fashion house, Dormeuil. The Mohair fabric comes from the Angora goat, and on its own, it was too expensive and uncomfortable to wear. It was eventually mixed with wool to create what we now know as Tonic cloth. Wool adds a touch of softness, while the mohair provides the sheen. And together, they make a fabric with plenty of natural lustre, crease resistance, and a tendency to look like two colours at once.

This effect is what sold the fabric. Move your arm on the dance floor, and the colour of your suit changes. Stand still, the colour settles into a single, deeper colour. Whether you’re standing under club lighting or out on the street, that shimmer is difficult to miss, making tonic suits the standout choice for a generation that wanted to be seen.

Why the Mods Loved Tonic Trousers and Jackets

The first Mods were young, working-class Londoners, messengers, apprentices and office juniors, the first post-war generation to earn a wage of their own. At a time when nothing in fashion was made for them, they saved up and dressed up above their class as a statement of rebellious ambition. Despite the Mod image of ‘effortless cool’, it took a lot of work to look the way they did.

Tonic cloth, with its sheen and its shimmer, stood out to them more than anything else on the rail. It looked bold, daring, and on a packed dancefloor, it was a sure-fire way to be seen and photographed like nothing else in the room. Mod women were also making statements, in tonic skirts that carried that same sharp perception as the men in their suits.

Mohair tailoring had made its home in Savile Row for a few years by the 60s. What the Mods did was take an established, relatively upper-crust fabric and make it their own. Leaning hard into Italian and French influences, narrow lapels and slim European silhouettes, that stood apart from the British mainstream. Two-tone was a borrowed taste, worn on a minimum wage and cut in a style no one else in the country expected.

Beyond the style, the Mods loved two-tone fabric for the same reason they loved Sta Prest trousers. It was crease-resistant, breathable, and didn’t slow the Mods down on the dance floor. A suit that survived hours out on the town and still looked good at 3am was remarkable. Tonic could take what the Mods threw at it.

How Two-Tone Moved Beyond Mod Outfits

Style doesn’t sit still for long, and tonic quickly worked its way through the suedeheads and skinheads who followed the Mods, with the latter pairing tonic trousers with hard-wearing Sherman shirts and brouges.

Around the same time, the Jamaican diaspora and rude boy look arrived on the streets of England. Influenced by ska and rocksteady, and rocking the same clean lines and sharp tailoring as the Mods, this new group dressed well for the same reason: smart tailoring as a sign of ambition and self-respect.

This thread was pulled again in the 1970s when the aptly named 2-tone movement revived rude boy style, pushing tonic suits back into the mainstream, along with the Mod and skinhead influences.

Why the Look Still Works

Tonic hasn’t changed, nor has the confidence needed to style it properly. If you’re wondering how this shimmering 60s miracle fabric fits into your wardrobe, here are a few tips.

For a casual, suedehead-leaning look, pair tonic trousers with a retro shirt and loafers, no jacket needed. Or if you want to dress it up, throw on a polo or add a Harrington jacket for an easy, weekend-ready take.

A tonic skirt pairs naturally with flat shoes and a simple top, in keeping with Mod womenswear's stripped-back, no-fuss approach. Browse the full women's vintage collection for clothing with the same sharp, minimal styling.

Two-tone fabric occupies this rare middle ground. Dressier than casualwear, but never stiff or corporate, and with a shimmer that keeps it from ever reading as boring. As sharp and bold as the rest of the Mods’ style. 

Ready to build the look? Shop the full Relco collection and see what sixty years of Mod style still has to offer.