How to Stay Cool in a Shirt and Tie: A Guide for Hot Days

A hot commute can test a good outfit before the day has even started. Whether you're heading to the office or an outdoor wedding, you want a shirt and tie that still feel comfortable when you arrive. That's where the right shirt, a linen tie and a little planning earn their place.

Start with a lightweight shirt, room to move through the body and a collar that fastens comfortably. Carry optional layers, put your tie on near arrival and take breaks in shade or a cooler space. We'll help you choose the pieces and build a routine for the whole day.

By OTAA · Updated 14 October 2026

What should you change first in hot weather?

Start with where you'll spend the day. A shaded walk to an air-conditioned office calls for a different plan from a garden ceremony followed by an outdoor reception. Make the shirt comfortable first, remove an optional layer next, and give yourself a cooler place to pause.

The CDC recommends lightweight, loose-fitting, light-coloured clothing and time in air-conditioned spaces during extreme heat. Humidity matters too: the US National Weather Service explains that sweat evaporates more slowly in humid conditions. The forecast and the venue tell you more than the month on the calendar.

There is no medal for wearing every layer on the train. A polished arrival matters more than travelling in the complete outfit.

What changes between Australian and US summers?

The outfit decisions travel well: a January commute in Australia and a July commute in the US both call for room to move, manageable layers and a cooler break on arrival. Dress for your local forecast, including humidity and time outdoors.

Station averages use different record lengths; they describe typical conditions, not the forecast for your day.

In the US, July brings the same decisions. The National Weather Service's 1991–2020 average daily highs are 94.5°F / 34.7°C at Houston Intercontinental Airport and 84.9°F / 29.4°C in New York's Central Park. Give yourself time to cool down before putting on the tie.

Which shirt should you choose for a hot day?

For a hot day, we start with cotton poplin and a cut that gives you room to move. Poplin has a neat, flat surface; twill has a diagonal weave. CottonWorks explains those weave structures, while the CDC recommends lightweight, loose-fitting clothing for heat. Choose a light cloth, then button the collar and tuck the shirt to check the fit.

Our three picks below use 100% cotton poplin. Choose between them for cut, colour and care routine, then try the shirt buttoned and tucked before deciding.

Bachman Blue Stripe Poplin Shirt keeps the palette blue and the cut slim. Hartwell Cognac Stripe Non-Iron Poplin Shirt brings a warmer stripe in Classic Fit. Brentley Blue Stripe Poplin Shirt is another blue Slim Fit option when you want a quiet base for textured neckwear.

Non-Iron and Easy Care describe the care routine. Pick the finish that works for your week, then make the comfort decision with the shirt on. Our non-iron versus easy-iron guide explains the differences.

How should the collar and body fit when it's hot?

The collar should close comfortably without pressing into your neck. The front shouldn't pull at the buttons when you sit, and the shirt should let you reach forward without feeling trapped across the back. Test all three before leaving the house.

If a shirt pulls through the body but its collar fits, try another cut at the same collar size. Don't automatically size up: that can leave the neckline too loose for a neat tie knot. Use our Slim Fit versus Classic Fit guide to compare the cuts.

Classic Fit is worth trying when you need more room through the body. Slim Fit can still work on a warm day when it fits comfortably. The useful choice is the shirt you can sit, walk and move in.

Set the knot just high enough to sit neatly at the collar. A smaller four-in-hand knot is an easy starting point when you want less bulk at the neck. Practise it with the actual tie you'll wear.

Which tie works well for warm days?

For a seasonal change, keep a shirt you already like and swap the neckwear. We like a linen tie for its visible texture: smoke blue with blue stripes, dry grey with cognac, or navy when the office calls for something restrained. The linen swap gives the outfit a summer mood without rebuilding the whole wardrobe.

For colour combinations, knots, widths and care, see our guide to wearing linen ties.

The Smoke Blue Slub Linen Skinny Tie is the slimmer option. The Dry Grey Donegal Linen Tie and Don Quixote Navy Textured Linen Tie have a fuller 8.5 cm blade. All three are 145 cm long; choose the width that sits well with your collar and jacket lapels.

Both versions are 100% linen. Choose the proportion you prefer. For a lighter colour at a daytime event, try the Champagne Ivory Linen Necktie.

A bow tie leaves less fabric down the front of your shirt, but still sits at the collar. Wear one because it suits the event and your style. If the invitation allows an open collar, leaving the tie off removes that extra piece altogether.

Should you wear an undershirt in summer?

Wear one when you need sweat coverage or opacity; leave it out when that extra layer makes you less comfortable. Try the full outfit before a long day. A thin undershirt that feels fine at home can feel different once you start walking.

If you use one, check that the neckline stays hidden with the collar both closed and open. Check the sleeves under the shirt too. An undershirt shouldn't make the outer shirt pull across the chest or bunch under the arms.

For localised underarm marks, the American Academy of Dermatology also suggests underarm shields to protect clothing. Try them with your shirt ahead of time, especially before an important meeting or ceremony.

How can you keep sweat marks from taking over?

Pattern gives sweat marks less room to stand out. The International Hyperhidrosis Society recommends prints to help hide sweat marks. Our fine-striped poplin shirts are a discreet way to bring pattern into an office outfit. Pack a spare for the reset before an evening event.

Antiperspirant reduces sweating; deodorant tackles odour. Make antiperspirant part of the night-before routine: the AAD advises bedtime application to dry skin, and a clinical study tested a night-time routine with an over-the-counter antiperspirant. Use the application schedule on your product.

Allow a few calm minutes before a meeting instead of rushing straight in from the heat. Anxiety can also trigger sweating, according to the AAD. If sweating regularly disrupts your day, including when you're resting in a cool place, a dermatologist can help.

What's a practical hot-day routine?

The best routine is small enough to repeat. Put the decisions in the right order, so the morning doesn't become a last-minute change of outfit.

1. The night before: check the forecast and the dress code. Lay out your shirt, tie and trousers. Pack a spare shirt if the day is long or mostly outdoors.
2. Getting dressed: fasten the collar, sit and reach forward. Decide whether the undershirt earns its place. Use the shirt's care instructions to finish any pressing.
3. The journey: carry optional outer layers. Keep the tie clean and protected if you're putting it on at your destination. Choose shade when you can.
4. On arrival: find a cooler spot, settle for a few minutes, then tie the knot and check the tuck. Put the jacket on when you need it.
5. During the day: take cooler breaks and drink water regularly. If the shirt needs changing, do that before your next big moment.
6. Later: if the workplace or event allows the tie off, open the collar neatly. Use collar stays as directed and keep the collar points sitting evenly.

Cooler breaks, shade and regular water follow CDC heat guidance. The outfit sequence is our practical styling advice.

Japan's Cool Biz campaign offers a useful office precedent: leave off the jacket and tie when your workplace permits it. Keep the collar neat with Brushed Silver Collar Stays.

What changes for a summer wedding or work party?

At a wedding, start with the invitation and plan the layers around it. A linen tie can bring texture to a daytime outfit; stricter evening dress codes need their own neckwear. Our summer wedding guide covers the ceremony, venue and finishing details.

At a work party, think about the move from desk to venue. A change of tie or pocket square is a quick reset, while a spare shirt helps after a hot journey. Our work Christmas party guide takes that switch from seasonal colour to festive details.

A pocket square belongs in a jacket pocket. Add one when you're wearing the jacket, and let it complement the tie rather than copying every colour. Keep the fold simple with our pocket-square guide.

Which hot-day combinations can you shop?

Choose the shirt first, then add the neckwear. Keep what you already own and buy the detail you need.

Optional details for a jacket

The warm-weather edit

Keep the shirt. Make the linen swap.

Start with the poplin shirt that fits you comfortably, then choose linen neckwear in a colour you'll wear again. Navy for the office, dry grey with a warmer stripe, smoke blue for an easy blue combination.

Shop Linen Ties →Shop Classic Fit Shirts →Shop Slim Fit Shirts →

Your shirt-and-tie heat questions, answered

How do I stay cool in a suit when I have to wear a tie?

Start with a comfortable shirt and collar. Carry optional layers during the journey, put the tie on near arrival, and take breaks in a cooler place. For a long day, pack a spare shirt.

What is the best tie choice for a warm day?

Choose linen for a summer texture that still looks sharp at work. Navy and grey keep it restrained; smoke blue and champagne brighten a daytime outfit. Linen absorbs moisture and allows moisture transfer, as the Alliance for European Flax-Linen & Hemp explains. Pair it with a comfortable cotton shirt and keep optional layers off during the journey.

Is a linen tie professional enough for work?

A restrained navy or grey linen tie is an easy office choice when your workplace allows textured neckwear. Pair it with a neat shirt and a compact knot.

Should I choose a 6 cm or 8.5 cm tie?

Choose the proportion that works with your collar and lapels. Our Don Quixote Navy Textured Linen design comes in both widths, with the same 145 cm length.

Is a bow tie cooler than a necktie?

A bow tie leaves the front of your shirt uncovered: a useful style option when the event welcomes it. For a conservative office, a navy linen necktie keeps the familiar shape with a summer texture.

Should I wear an undershirt when it is hot?

Use one when you need sweat coverage or opacity, and try it under the full outfit. If the extra layer makes you less comfortable and you do not need that coverage, leave it out.

Do pale shirts keep you cooler?

Light-coloured clothing is part of the CDC’s hot-weather advice. Also look at weight, fit and optional layers. Choose light cloth and a shirt you can move in comfortably.

Will a striped shirt stop sweat marks?

Yes—pattern can help disguise sweat marks. The International Hyperhidrosis Society recommends prints for this purpose; we like fine stripes for a restrained office look. Add antiperspirant and a spare shirt for a long day.

Should I buy a bigger collar size for summer?

Keep a collar size that closes comfortably. If the shirt pulls through the body, try another fit first. A collar that is too large can leave the tie knot sitting poorly.

Can I take my tie off at work?

Yes, when your workplace allows an open collar. Straighten the collar points, retuck the shirt and keep the neckwear protected for later.

When should I put my tie on?

Near arrival, if the journey and setting allow it. Give yourself a few minutes in a cooler space first, then tie the knot and check the collar.

What should I pack for a hot formal event?

A spare shirt, your required neckwear and any essential accessories. Plan where you can change and take a cooler break, so the spare shirt is useful when you need it.

Clothing and heat advice: CDC and National Weather Service. Sweat and clothing care guidance: American Academy of Dermatology. Product details: the linked OTAA product pages.