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Summer Workwear: How to Stay Polished When It's 35 Degrees

Office dressing in an Australian summer brings its own challenges. Here is how to stay polished without overheating.

22 December 2025·5 min read
Summer Workwear: How to Stay Polished When It's 35 Degrees

Summer workwear is one of those problems that sounds simple until you're standing in front of your wardrobe at 7:30am in 35-degree heat trying to look professional. Too formal and you'll be miserable by 10am. Too casual and you risk looking like you've given up entirely.

The good news: a few smart fabric choices and reliable outfit formulas make it manageable.


The Fabric Problem (And How to Solve It)

The single most important decision in summer workwear isn't the silhouette or the colour — it's the fabric. The wrong material makes even the most polished outfit feel like suffering.

What works:

  • Linen breathes exceptionally well and looks appropriately dressed-up for most offices. Yes, it creases — embrace it, or look for linen blends that wrinkle less.
  • Cotton poplin is a workwear staple for good reason. Light, breathable, and maintains structure throughout the day.
  • Viscose/Rayon drapes beautifully and is much cooler than polyester, though it can feel clammy if you tend to sweat.
  • Lightweight merino is genuinely temperature-regulating and worth the price for formal office environments.

What to avoid:

  • Polyester and heavy synthetic blends — they trap heat and hold odour.
  • Thick denim — fine for casual Fridays in winter, not for an Australian summer office.
  • Silk (for most people) — looks stunning but shows sweat marks immediately.

Five Outfit Formulas That Work

1. The Linen Set

A matching linen blazer-and-trouser set reads as polished but is one of the most breathable combinations possible. The trick is in the fit: slightly relaxed rather than tight. Pair with leather loafers or mules.

2. The Midi Dress + Blazer

A lightweight midi dress in cotton or viscose works as a foundation — add a blazer for formal meetings, remove it for the rest of the day. Opt for dresses with subtle structure (a button front or wrap detail) so they read as intentional.

3. Wide-Leg Trousers + Fitted Tank

Wide-leg trousers in linen or lightweight crepe with a fitted sleeveless top is cool and contemporary. The volume of the trousers balances the simplicity of the tank. Add a lightweight long-sleeve overshirt for air-conditioned offices.

4. The Shirt Dress

A long cotton or linen shirt dress, belted or left open over wide-leg shorts, is one of the most versatile summer workwear pieces. Avoid very casual camp collars — a classic point or mandarin collar maintains the professional register.

5. Tailored Shorts + Structured Top

Where the dress code allows it, a well-tailored pair of high-waisted shorts (just above the knee, in linen or ponte) with a tucked-in blouse is a genuinely practical solution. Add heeled mules or block-heeled sandals to keep the look polished.


What to Do About Air Conditioning

Most Australian offices have air conditioning ranging from comfortable to Arctic. The solution:

  • Layer strategically. Keep a lightweight layer at your desk — a long-sleeve linen shirt or a merino cardigan.
  • Choose fabrics that feel comfortable at both temperatures. Cotton and merino genuinely regulate temperature rather than just insulating.
  • Keep a wrap or oversized scarf at your desk. It functions as a blanket when the aircon is brutal and folds away neatly when you're outside.

The Colour Palette

Summer workwear doesn't have to mean head-to-toe white. Colours that work particularly well:

  • Cream and ecru (warmer than white, more forgiving of minor marks)
  • Warm neutrals: stone, camel, tan
  • Dusty pastels: sage, dusty pink, powder blue
  • Clean navy — the universal alternative to black for summer
  • Terracotta and warm clay tones

Save the bold brights for weekends unless you're in a creative industry where they're appropriate.


Three Pieces Worth Prioritising

If you're going to spend more on anything for summer workwear, prioritise:

  1. A quality linen blazer — works with everything and lasts multiple seasons.
  2. Well-fitted wide-leg trousers in a natural fibre — the foundation of a dozen outfits.
  3. Leather or leather-look mules in a neutral — the footwear that ties it all together.

The AERE oversized linen blazer from THE ICONIC is a reliable example of point one; these cotton-linen wide-leg pants from Amazon AU are a practical, well-priced take on point two:

Everything else can be filled in more gradually with affordable pieces.

Summer workwear requires a shift in fabric priorities and a few reliable formulas, not a separate wardrobe. Once you have two or three combinations that work for your office environment, getting dressed becomes much easier.

More places to look: THE ICONIC – Workwear, Myer – Women's Work

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