Summer Approved: Fabrics That Keep You Cool

You've Been Dressing Wrong. Here's the Fix

Let's be honest, you've sweated through a fit that looked like fire on the hanger and felt like a sauna the second you stepped outside. The silhouette was right. The colourway was clean. But the fabric? That's where it went sideways.

Here's the thing nobody tells you early enough: the best summer fabric for men’s fashion is not a background detail. It is the decision. The right one keeps you looking sharp at 2pm when everyone else has already tapped out.

JACK&JONES builds every summer piece around exactly this thinking. Consider this your cheat sheet.

Cotton - The Everyday Captain

You already own cotton. You've always owned cotton. There's a reason for that.
Cotton lets your skin breathe. It soaks up sweat before you feel it. It gets softer every time you wash it. Your favorite t-shirt that feels like a second skin? That's cotton doing its job.

Wear it for literally anything: a casual tee, a button-down shirt, chinos, shorts. Cotton t-shirts for men do not have a bad day.

Best worn as: T-shirts, shirts, chinos, shorts

Pro tip: When it's really hot outside, go 100% cotton. The moment you mix it with synthetic blends, it starts trapping heat. Keep it pure.

Linen - The Unbothered Creative

Linen is basically cotton's cooler, more relaxed older brother. It is made from a plant called flax and it is so loosely woven that air literally passes straight through it. Like wearing a light breeze.

Yes, it wrinkles. No, that is not a problem. That wrinkle is what makes it look effortlessly cool instead of try-hard. Throw on a linen shirt with some shorts and clean sneakers and you are done. No effort required. Maximum style delivered.

Best worn as: Linen shirts for men, trousers, co-ords, shorts

Pro tip: Buy it a size relaxed. The baggier the linen, the more air moves through it and the cooler you stay.

Rayon - The Slept-On Streetwear Star 

Rayon is the fabric you've definitely worn without knowing it. Check the label on that camp collar shirt you love. There's a good chance it says rayon.

Here's why it works: it is incredibly light, does not stick to your skin, and flows naturally when you move. It also makes printed shirts look way more expensive than they are. If you want to look like you put in effort without actually putting in effort, rayon is your guy.

Best worn as: Camp collar shirts, relaxed trousers, casual co-ords

Pro tip: Don't throw rayon in a hot wash. It will shrink on you immediately. Cold wash, hang dry, done.

Viscose - The Print Whisperer

Viscose is basically rayon's twin. Same lightweight feel, same breathability, but with one superpower rayon doesn't have; it holds color like a champion.

This is the fabric behind every bold printed shirt that catches your eye. The colors stay vivid, the fabric stays light, and the whole thing moves well on your body. If your wardrobe leans toward prints and color  viscose is already working for you. You just didn't know its name until now.

Best worn as: Printed shirts, lightweight trousers, casual tops

Pro tip: Cold wash only. Viscose and hot water are enemies. Treat it right and it stays sharp all season.

Modal - The Silent Flex

Modal is the fabric you never notice  until you wear something else and immediately miss it.

It comes from beech trees, feels softer than most things you've ever touched, and does not lose its shape no matter how many times you wash it. It wicks sweat off your skin quietly and keeps your basics looking fresh for longer. Your best fitting undershirt? Almost definitely modal. That incredibly soft loungewear you reach for every time? Also modal.

Best worn as: T-shirts, innerwear, loungewear, basics

Pro tip: Modal is your best layering fabric. It's thin enough to wear under anything without adding bulk or heat.

Lyocell - The Low-Key Environmentalist

Lyocell sounds like a science experiment but it is actually one of the most practical summer fabrics you can wear.

It is soft, light, pulls sweat away from your skin, and has a subtle shine that makes simple outfits look more expensive. It is also made in a process that recycles almost all its water and chemicals  so if you care about the planet even a little bit, lyocell lets you dress well and feel good about it at the same time.

Best worn as: Shirts, chinos, casual trousers, lightweight jackets

Pro tip: Lyocell drapes really well on relaxed and straight cut fits. The more room you give it, the better it looks.

Tencel - The Overachiever

Think of Tencel as lyocell but with a performance upgrade.
It keeps you cool outside and does not freeze you the second you walk into air conditioning. It fights odor better than most fabrics on this list. It holds its shape across multiple wears without looking tired. And it is built to last way longer than cheaper alternatives.

Tencel basically does everything breathes, regulates temperature, resists odor, and stays fresh. It is the overachiever of summer fabrics and your wardrobe needs at least one piece of it.

Best worn as: Shirts, trousers, lightweight outerwear, smart-casual pieces

Pro tip: If you ever spot a Tencel-linen blend  buy it immediately. That combination is the ultimate summer fabric duo.

The Ones That Didn't Make the Cut

Some fabrics will betray you the moment the temperature rises. Avoid these in summer, no exceptions:
Polyester
Wool & Merino
Nylon & Polyamide
Acrylic
Leather

The Simple Rule That Changes Everything

You do not need to memorize every fabric on this list. Just remember this one rule before you buy anything this summer:

If it feels heavy, stiff, or synthetic in your hand, put it back.

Cotton and linen for your everyday fits. Rayon and viscose when you want prints and drapes. Modal for your basics and innerwear. Lyocell and Tencel when you want to level up sustainably.

Start reading the label. Make the call based on what the fabric actually does & not just how the piece looks on the hanger.

JACK&JONES does that reading for you. Every piece in their summer collection is built around fabrics that keep you cool, sharp, and comfortable. So all you have to do is show up and look good.

Because the guy who stays cool: literally and figuratively, is always the best dressed one in the room.

Start with the fabric. JACK&JONES handles the rest.

Frequently Asked Questions

Q1. Does the color of my outfit actually affect how hot I feel in summer? 
Yes and more than you think. Light colors like white, beige, and pastels reflect heat away from your body while breathable fabrics for men do the rest of the work. Dark colors absorb heat and hold it in. So that all-black fit in peak summer? Your fabric could be perfect and you'd still be cooking. When the temperature rises, go lighter on color and your body will notice immediately.

Q2. Is linen actually worth it for men's summer fashion or is the wrinkling just too annoying? 
Linen is absolutely the best fabric for summer and here's the reframe you need: the wrinkle is not a flaw, it is the look. Nobody wearing a linen shirt for men in summer is trying to look pressed and stiff. They're going for that effortless, relaxed energy that you simply cannot fake with any other lightweight fabric. Embrace the crease. It is doing the heavy lifting for you.

Q3. Can I wear the same summer fabric for a casual day out and a semi-formal event? 
Cotton and linen both pull this off without breaking a sweat literally. A well-fitted linen shirt in a neutral color works at a rooftop hang and a dinner reservation equally well. These natural fabrics for summer stay appropriate across occasions while the fit does the rest. You do not need two separate wardrobes for summer, you just need the right men's summer fabrics in the right cuts.