When it’s hot on site, it’s not just uncomfortable - it’s hazardous.

Heatstroke, dehydration, and exhaustion can all lead to safety risks. The good news? The right workwear can help.

Kit your teams out with lightweight work trousers and summer workwear that help them stay safe, cool, and focused.

Read on to learn what to look for, which fabrics to choose, and the best work trousers for summer.

WHAT’S THE BEST LIGHTWEIGHT MATERIAL FOR SUMMER TROUSERS?

Not all fabrics can take the heat.

Before you buy, check that the workwear you've selected for your teams can handle the job, conditions, and any site-specific risks.

Look for lightweight work trousers that let the body breathe, move freely, and stay protected.

The best summer materials and features include:

  • Technical stretch fabrics - designed for movement and long-lasting wear
  • Ripstop or lightweight canvas - breathable, tear-resistant, and supportive
  • Polycotton or recycled polyester blends – lightweight, fast-drying, and durable
  • UV-tested fabrics - helpful for teams working outdoors and exposed to the sun

For some jobs and working environments, summer shorts can also be a practical option where the required level of protection allows. They can help improve comfort and keep teams cooler during hot weather.

TOP TIP: Want to brand your summer kit? The fabric and garment construction can affect whether embroidery or heat sealing is suitable. Your workwear supplier can advise on the best option.

Explore all the branding tips and tricks you need. 

HOW TO FIND SUMMER WORK TROUSERS

Don’t hand out winter trousers in July. And don’t just find lighter work trousers either. 

Your team needs summer work trousers that are built to handle heat and hard work.

What to look for in cool work trousers: 

  • Breathable, fast-drying fabrics
  • Reinforced seams for durability
  • Built-in stretch for easy movement
  • UV-tested fabrics for outdoor work
  • Vented panels in high-sweat zones
  • Practical pocket and storage options
  • Lightweight materials suited to the job

TOP TIP: Don’t forget pockets, including knee pad compartments where required.

EN-RATED FOR SAFETY COMPLIANCE

Safety standards stay the same, even when the seasons change. 

Your summer work trousers should still be selected to meet the safety requirements of the job and the working environment.

Here are some standards and specifications to consider:

  • EN ISO 11612 - Protective clothing against heat and flame
  • EN 14404 - Knee protection for work involving prolonged kneeling, where applicable
  • EN ISO 20471 - High visibility clothing capable of visually signalling the user's presence
  • RIS-3279-TOM - The railway industry standard for high-visibility clothing used in relevant railway environments

Always check the specific requirements of your site, industry, and role before choosing workwear.

Don’t choose comfort over compliance. Choose both with our trusted ROKWEAR® brand.

Man wearing ROKWEAR hi-vis trousers

CHOOSING THE BEST LIGHTWEIGHT WORK TROUSERS

For the best protection, buy summer work trousers built for the job, risks, and your team.

Here’s what we’d look for:

  • Inclusive sizing and adjustable fits
  • Pocket, holster, or kneepad options
  • A balance between budget and quality
  • Colours and styles that work with your brand
  • Breathable and UV-tested fabrics where appropriate
  • Fabrics and garments suited to the demands of the job
  • Features designed to improve comfort in warm conditions

Need a complete summer kit? Explore our full summer range.

DON’T FORGET YOUR LOGO

Branding matters. Get it right, and it can build trust, promote your business, and bring your team together.

However, branding workwear is not just about choosing where you would like your logo to go. On garments such as hi-vis workwear, branding must be applied without compromising the garment's safety requirements.

Before you order:

  • We will show you the available areas where branding can be added safely.
  • We will not brand areas that could compromise safety standards or visibility requirements.
  • We can help ensure your branding looks professional while keeping the garment compliant.
  • We can advise whether embroidery or heat sealing is the most appropriate option for your chosen garment.

DID YOU KNOW? SMI offers fast 3-day dispatch on branded gear!

Want to learn more about custom branding?
Contact us today
for expert and friendly advice.

WOMEN’S SUMMER WORK TROUSERS AND ECO OPTIONS

Make sure your summer work trousers fit everyone. 

A better fit for all means more comfort, safety, and focus in the heat. 

Plus, combining inclusive fits and eco-friendly fabrics will help you to meet your sustainability goals. 

Take a look at our women’s workwear and eco ranges.

TOP 3 WORK TROUSERS FOR HOT WEATHER

Here’s our fave heat-friendly work trousers for summer:

1. ROKWEAR® WITLEY hi-vis breathable overtrouser

Sun one minute, downpour the next? Classic British summer.

The ROKWEAR® WITLEY is built for sudden showers and all-day compliance. Made from breathable, coated polyester, it helps keep you dry without overheating.

Ideal for high-visibility work where the required standards apply, with features that include:

  • Elasticated waist for all-day comfort
  • Zipped leg access for quick changes
  • Cargo pockets for essentials on the move

2. ROKWEAR® PETWORTH cargoflex trouser

Want a cooler, stretch-fit work trouser for summer?

The ROKWEAR® PETWORTH is made from recycled polyester with 4-way stretch, water-repellent finish, and triple-stitched seams.

Featuring:

  • Snap-close thigh pockets
  • Zipped side and rear pockets
  • Ribbed waistband with drawcord

3. CRAGHOPPERS EXPERT KIWI PRO stretch trousers

Looking for lightweight trousers with built-in sun protection?

The CRAGHOPPERS EXPERT offers UPF 40+ sun protection, a part-elasticated waistband, plenty of pockets, and an EcoShield DWR finish in both men’s and women’s fits.

TOP TIP: Ask your supplier for free trials and get your teams to provide feedback.

Lightweight summer work trousers

KEEP TEAMS COOL WITH SMI

Don’t make finding summer workwear a struggle.

With over 45 years of experience, expert teams, and more than 25,000 products, we make finding hot weather gear a breeze.

Here’s why:

  • 97% stock availability
  • Dedicated account manager
  • Inclusive and eco-friendly options
  • Fast 3-day dispatch on branded workwear
  • Good, better, best options to suit every budget
  • Logo-ready workwear with expert branding advice

Get your team summer-ready!
Chat with our friendly team today.

FINAL TIPS FOR STAYING COOL ON SITE

Comfortable and compliant workwear is a must.

But it’s not the only way to keep teams safe in the heat.

Try: 

FAQs

What are good summer work trousers for hot weather?

Go for breathable, lightweight trousers made from ripstop, lightweight canvas, or technical polyester blends.

For extra comfort, look for moisture-wicking fabrics, ventilation zones, stretch, and UV-tested materials where outdoor exposure is a concern.

What trousers are best for summer?

Be careful choosing thinner work trousers - they still need to protect against the heat and safety risks on site.

Keep it simple: choose lightweight, breathable workwear that meets job standards and requirements.

Where permitted by the working environment and required protection level, summer shorts can also be an option for staying cooler.

What is the best material for work trousers?

It depends on the job. For demanding manual labour in high temperatures, choose lightweight ripstop, canvas, recycled technical fabrics, or suitable polyester blends.

For outdoor work, you may also want to consider fabrics that have been tested for UV protection.

Find the right kit for your teams - explore the full SMI range today.

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