Business Casual for Men: The Complete Style Guide

"What is business casual?" You ask yourself as you search for images online, hoping to get a clear answer.

But you don't. Instead, you see dress codes that, for you, are either semi-formal or downright casual, but with leather shoes.

So here's a guide to help you. This one explicates what business casual means for men, what to wear, what to avoid, and how to put together business casual outfits for men.

What is Business Casual for Men?

Business casual attire sits between a full corporate suit and your weekend clothes. It's professional enough to mean business but relaxed enough that you won't feel overdressed in an open-plan office.

Unlike business attire, you don't need a matching suit, a tie, or polished Oxfords. Unlike smart casual, you're not wearing dark jeans, a polo, or clean sneakers either, at least not as a default.

It's a polished, put-together look without the formality of a boardroom and without the looseness of a Friday night. And as always, fit matters more than anything else. A well-fitted chino and a simple shirt will always look sharper than an expensive suit that bunches at the shoulders or bags through the chest.

The rule of thumb: no suit required, but no jeans or sneakers either. You want a look that says you mean business without the stiffness of a full corporate suit.

The Business Casual Wardrobe Essentials

Here's what every man needs in his business-casual wardrobe, starting with the right business-casual pants. You don’t need a lot, but you must have the right pieces.

Trousers

Chinos are the go-to trousers for business casual clothing because they’re somewhere between formal dress pants and denim.

When choosing chinos, opt for a slim or tailored fit. Something that’s not too baggy or too tight either.

The Hero Piece: Cambridge Slim Fit Gerrard Chino Pant in Black

For colours, go for neutrals like navy, charcoal, sand, and olive because they match almost every top. Just make sure they're well-ironed for a clean, professional finish.

Dress Trousers are the safer choice if your workplace leans more toward formal attire. Wool-blend options in charcoal or navy are versatile, easy to wear year-round, and work well under a blazer (if you need it for a meeting).

The Hero Piece: Uberstone slim fit Idris trouser in black

Shirts

The Oxford Cloth Button-Down (OCBD) is the most reliable shirt in the business casual dress code. Its textured weave and button-down collar work equally well tucked in for a client meeting or left untucked on a Friday. White and light blue are the classics, but subtle stripes and fine checks work too.

The Hero Piece: Brooksfield Casual Oxford Button Down Shirt in Blue

Dress Shirts in solid colours, like white, light blue, pale pink, are always a safe and smart option.

The Hero Piece: Brooksfield Slim Fit Occasions Regular Cuff Mens Dress Shirt in White

Polo Shirts in good-quality cotton or knit fabric are comfortable alternatives, especially in warmer months. Stick to solid colours, such as navy, white, grey or black.

The Hero Piece: Hugo Boss Paul Curved Logo Slim Fit Polo in Black Stretch-Cotton Pique
No matter what you choose, remember that crisp and well-ironed is the standard.

OCBD shirts vs dress shirts vs polo shirts

Blazers and Sport Coats

A blazer is the easiest way to elevate a business-casual outfit. It adds structure and formality to an otherwise casual combination without requiring a full suit. As for colours, navy, grey, and charcoal are your most versatile options; they'll work with almost any trouser-and-shirt combination you already own.

An unstructured blazer is another option if you want something that drapes comfortably without feeling too stiff.

The Hero Piece: Brooksfield mens unstructured blazer in silver sand

Whichever style you choose, make sure the shoulders sit perfectly, and the sleeves aren't too long. Our in-store team can arrange any adjustments you need.

A sports coat works the same way and gives you slightly more flexibility with colour and texture. For warmer Australian weather, linen blends are a natural choice. They’re breathable and lightweight in the heat, with better structure and shape retention than pure linen.

The Hero Piece: Cambridge classic fit hawthorn sports jacket in blue linen

Knitwear and Sweaters

A fine-gauge crew-neck or V-neck sweater in merino wool deserves a place in a business casual wardrobe for several reasons. Merino is lightweight, breathable and temperature-regulating; it layers cleanly over a shirt without adding bulk; and it holds its shape wash after wash. Wear it over a shirt for cooler days or on its own with dress trousers for a clean, understated look.

When choosing colours, keep it simple. Charcoal, navy, grey and camel are all versatile and easy to pair with everything else in your wardrobe.

The Hero Piece: Rembrandt Champ Zip Sweater in Navy Pure Cotton

Shoes

Loafers are popular and versatile business-casual options these days. They work with suits, dress trousers, chinos, and just about everything. When it comes to colour, tan, chocolate brown, and black leather are the most practical options.

The Hero Piece: AQ by Aquila Porter Leather Penny Loafers in Black

Derby Shoes are a versatile and practical option for the office. Unlike the Oxford, which has a closed lacing system, the Derby's open lacing lends it a slightly less formal look, making it a natural fit for most business-casual settings without looking overdressed.

The Hero Piece: Ted Baker Kampten Mens Formal Leather Derby Shoes in Brown

Chelsea Boots are a great option for the cooler months because they're closed, ankle-length, and unlaced, making them sleek enough to wear with tailored trousers or chinos while still being warm and practical in cooler weather. A suede or leather Chelsea in tan or chocolate brown works particularly well with chinos and an unstructured blazer.

The Hero Piece: Brando Cesar Chelsea Mens Leather Boot in Brown

Belts and Accessories

Keep accessories minimal. A clean leather belt in black or brown, a simple watch, and a pocket square if you're wearing a blazer are all you need. Match your belt to your shoes: brown with brown, black with black. And if you're adding a pocket square, choose a complementary colour or subtle pattern. It adds personality to a blazer without overdoing it.

The Hero Piece: Ted Baker Crafti Reversible Leather Belt in Black

How To Find The Perfect Business Suit

What To Avoid When Choosing Business Casual Attire

Business casual has clear boundaries, but they're not always obvious. Some pieces look the part but don't quite fit the dress code. Here's what to watch out for:

Dress shirts with printed images, illustrations or themed patterns. Although a printed shirt works in business casual, keep it to subtle patterns like fine checks or thin stripes. Anything bolder belongs on the weekend.
Chinos with cargo pockets or a drawstring waist. The cut and design of your trousers matter as much as the colour. Cargo pockets and drawstrings will come across as casual, regardless of how well they're ironed.
A blazer over a t-shirt. It looks the part at a glance, but a t-shirt underneath a blazer tips the balance too far toward casual. A collared shirt is always the right call.
Polo shirts with oversized logos. A quality polo in a solid colour works well; a polo that leads with a brand logo does not.
Brown shoes with a black belt, or black shoes with a brown belt. The mismatch is subtle but noticeable. Keep your leather tones consistent across the outfit.
Loud or novelty pocket squares. A pocket square should complement, not compete with, the outfit. Bold patterns and novelty prints undermine an otherwise polished look.
Overly fashion-forward cuts. Very slim lapels, cropped blazers or exaggerated silhouettes read more street than office. Stick to classic, well-fitted cuts.

Business Casual Outfit Examples

Here are four business casual examples that work for almost any occasion.

1. Standard Office Day

Navy chinos + white Oxford shirt + grey blazer + tan loafers

This is the most reliable business casual combination there is. Each piece is neutral in colour, classic in cut, and works across virtually any office environment or industry. None of them draws attention on their own, but together they meet every requirement of the dress code without any risk of getting it wrong. It's the combination with the fewest variables.

Ensure the shirt is tucked in, the blazer fitted, and the loafers clean.

2. Client Meeting

Charcoal dress trousers + light blue dress shirt + navy blazer + brown derby shoes

Dress trousers have a more formal construction than chinos. The fabric, cut and finish all sit closer to a suit trouser. Add a blazer, and the combination reads as deliberate and professional.

But without a tie, it stays within business casual rather than tipping into corporate or business professional territory.

3. Casual Friday

Dark chinos + navy polo + white or tan loafers

Friday is widely understood as the most relaxed day in a business-casual office, so a polo, which sits just below a dress shirt in formality, is appropriate on days when it might not be.

Paired with chinos and smart shoes rather than jeans and sneakers, it stays within the dress code while giving you more comfort. The solid colour keeps it looking intentional rather than randomly put together.

4. Smart Workplace Event

Light grey trousers + pale pink dress shirt + navy blazer + tan Chelsea boots + pocket square

Light grey trousers and a pale pink dress shirt keep the look light and considered, while a navy blazer adds the right amount of structure for a workplace event.

Chelsea boots in tan suede elevate the outfit above a standard office day, and a pocket square in a complementary colour finishes the look.

How to Shop for Business Casual

Shopping for business-casual clothes for men can feel a bit complicated, so here's a quick guide to getting it right.

Check the Fit First

Everything else comes second. The most expensive piece in the wrong fit will always look worse than a modest piece that fits your frame perfectly. Pay attention to the shoulders on your blazer, the taper of your chinos, and the length of your shirt sleeves.

Stick to a Neutral Colour Palette

Build your wardrobe around navy, charcoal, white, grey, tan and olive. These colours work together naturally, so every piece you buy will pair with multiple pieces you already own. Once you have the foundation, you can add colour or pattern with accessories.

Choose Quality Fabrics

For Australian weather, breathable fabrics matter a lot. Cotton and linen blends are your best option through spring and summer. Merino wool and wool-blend pieces will serve you well in autumn and winter. Quality fabric holds its shape, looks better for longer, and almost always fits more comfortably.

Start with the Essentials

If you're building a business casual wardrobe from scratch, start with these five pieces:

One pair of navy chinos
One white Oxford shirt
One navy unstructured blazer
One pair of brown or tan leather loafers
One leather belt in brown

These five items alone can produce multiple outfits. Add pieces gradually—such as a second trouser colour, a quality polo, and a fine-knit sweater—and your wardrobe will become more versatile.

When in Doubt, Dress Slightly Up

If you're new to a job and not sure whether your choices meet the business casual dress code, err on the side of being a little more formal until you get a better read on the office culture. It's always easier to dress down than to dress up after the fact.

Frequently Asked Questions

Is business casual the same as smart casual?

No. Smart casual is one step below business casual. It allows dark jeans, polo shirts and clean sneakers. Business casual calls for chinos or dress trousers, a collared shirt, and smart leather shoes. The easiest way to tell the difference: if sneakers and jeans are acceptable, it's smart casual.

Can I wear jeans for business casual?

Generally, no. Jeans belong in the smart casual category. But if your workplace specifically allows them, they need to be dark, clean, well-fitted and free of any distressing. And even then, pair them with a blazer and smart shoes to keep the overall look within the dress code.

Are sneakers acceptable for business casual?

Not as a rule. Athletic sneakers are out entirely. Clean, minimalist leather sneakers can work in some creative or tech environments, but loafers, Derby shoes or Chelsea boots are always the safer and more appropriate choice.

Do I need to wear a tie for business casual?

No. A tie tips the outfit into business professional or corporate territory. Business casual is designed to be worn without one. If you want to add a finishing touch, a pocket square in a blazer breast pocket is the better option.

What colours work best for business casual?

Stick with navy, charcoal, white, grey, tan and olive. These neutrals work together naturally, so every piece in your wardrobe will pair with everything else. Once you have the foundation in place, you can introduce colour through accessories.

Can men wear earrings for business casual?

It depends on your workplace and industry. In creative, tech and media environments, a simple stud or small hoop is generally accepted. In more conservative settings like finance or law, read the room before wearing one. When in doubt, ask or keep it subtle. It’s the same principle that applies to every other accessory in business casual.