The Best Lightweight Trousers For Summer 2026

Shorts aren’t always the answer. Sure, it’s nice feeling the breeze on your bare legs on a hot day, but unpredictable transitional temperatures, workplace dress codes and concerns over milk-bottle-pale lower extremities after a long winter can mean that getting the pins out isn’t always the best thing to do.

So, what do you do in those situations when shorts are off the menu but a pair of wool trousers or raw-denim jeans would leave you clammy and uncomfortable? We have a few ideas.

Wearing trousers in warm weather doesn’t have to be an unpleasant affair. If you give some extra thought to fabric, cut and colour, you can keep enjoying the perks of long legwear even when the mercury rises. Think airy materials, light shades that will reflect the sun’s heat and roomy fits to encourage additional airflow.

With that in mind, we’ve pulled together some of our favourite options. Here are the trouser styles to consider as the weather improves this year.

Swishy And Pleated

Velasca

Pleated pants just look suave. But there’s more going on here than aesthetics. Pleats create volume, which allows for increased airflow. Add a lightweight fabric, such as linen, and you might as well be in a pair of shorts as far as comfort goes, but you’ll look a lot sharper.

Plus, they’re easily dressed up or down depending on the setting. Think loafers, and a camp-collar shirt for a simple smart-casual look, or canvas sneakers, a tucked-in tee and a cropped jacket for something more weekend-appropriate.

Cooling Linen Blends

Reiss

Don’t underestimate the power of fabric. Picking wisely in this department is the difference between being comfortable all day and developing soggy sweat patches before you’ve even completed your commute.

Linen, again, is the GOAT in this department, but opting for a blend rather than 100% can be a better option from a practical standpoint. Why? Well, as fantastic as linen is at keeping you cool, it has an unfortunate habit of creasing badly.

Add a bit of rayon, cotton, viscose or Tencel to the mix, and this ceases to be a concern. Give your iron a day off.

Light-Wash Denim

Velasca

Raw denim is trending again, and while we’re all for anything that gets better the more you wear it, it’s not exactly built for keeping you at a comfortable temperature in the heat. In fact, denim in general probably isn’t the best option, but if you insist on wearing jeans, this is the way to do it.

The lighter the denim, the more effectively it will deflect the sunlight, ultimately keeping you cooler. Lighter washes are often slightly lighter-weight fabric too, which works together to keep you cool.

OK, denim is never going to breathe like linen, but this approach can make it feel surprisingly manageable, even in the summer heat.

Drawstring Travel Pants

Percival

What if we told you you could wear jogging bottoms basically all the time, wherever you go, including the office or dinner out, and not raise any eyebrows? Well, you can – just buy yourself a pair of drawstring pants.

Cut from cotton or a linen blend, these casual pants sit somewhere between joggers, chinos and tailored trousers. A relaxed, straight-leg cut will grant you maximum versatility while ensuring optimal airflow and keeping you cool.

Dress them up with an Oxford shirt and derbies, or style them for the day-to-day with sneakers and an overshirt.

Light And Relaxed

Todd Snyder

Fit is often overlooked when people talk about dressing for the heat, but it arguably matters just as much as fabric. Tight trousers cling, trap heat and restrict airflow. Loosen things up, and all of that changes.

A relaxed, straight or slightly tapered leg gives air somewhere to move. It also tends to look more contemporary, which doesn’t hurt. You don’t need to go full wide-leg if that’s not your thing, just avoid anything that hugs the thigh or calf too closely.

Combine that with a lightweight cloth – cotton twill, linen blends, even a fine tropical wool – and you end up with something that feels considered rather than compromised.

Tailored Linen

Percival

Summer tailoring is one of the best things about the season. These are suits you can feel genuinely relaxed in, cut for comfort and made from materials that promote breathability. Most people wait for a July wedding to get theirs out, but it’s a mistake to leave it gathering dust in your wardrobe the rest of the time.

Start thinking of your summer tailoring as separates, and you’ll maximise the use you can get out of it. A pair of tailored linen pants, for example, can work way beyond the context of a full suit.

Pair them with a tucked plain white T-shirt and leather sandals, or style them with a printed camp-collar shirt and loafers for something slightly smarter that’s still seasonally appropriate.

Technical Hiking Pants

Columbia

You don’t have to start dressing like a Nepalese sherpa to enjoy some of the practical perks of outdoor gear. Gorpcore has changed the way men dress, ushering in functional elements that can work in urban environments as well as the great outdoors. Hiking pants are a prime example.

Stretchy, lightweight and moisture-wicking, these technical trousers are designed for moving through alpine environments, but many of the features that make them well-suited to this also make them great for casual daily wear – particularly when the weather warms up.

Ecru Denim

If light-wash denim feels a bit too casual, ecru offers a useful middle ground. It has the denim structure, but without the visual weight of darker indigo. That alone makes a difference in warm weather, both in terms of how it looks and how it wears.

There’s also a versatility to it that darker jeans don’t always have. Ecru pairs easily with other summer tones – sky blue, olive, washed black – and works just as well with a simple T-shirt as it does with a shirt and loafers.

It still won’t breathe like linen, but it’s a far more forgiving option than heavy raw denim, and one that slots neatly into a warm-weather wardrobe without much thought.