You've Been Sold Polyester. It's Time to Question That.
Walk into any sportswear store in India. Pick up any piece of activewear. Flip it over and read the label.
Chances are it says 88% polyester. Or 92% polyester. Or some variation of polyester, nylon, spandex.
We've been wearing this for so long it feels normal. It isn't.
What exactly is polyester?
Polyester is a synthetic fabric made from petroleum — the same raw material as plastic bottles, plastic bags, and refined oil products.
When you pull on your gym leggings in the morning, you're quite literally wrapping yourself in plastic.
For an hour. Sometimes two. Pressed directly against your skin. While you sweat.
Nobody told you this. It was never on the marketing material. The ads showed athletes sprinting and jumping, looking effortless. The fabric was never the conversation.
But it should be.
What polyester actually does to your body
It traps heat. Polyester fibres don't breathe. They form a barrier between your skin and the air. Your body generates heat during exercise — and polyester holds it in. That overheated, suffocating feeling mid-workout? That's your fabric working against you.
It holds bacteria. Polyester fibres have a rough, porous surface at the microscopic level. Sweat and bacteria get trapped inside those pores. No amount of washing fully removes them. That's why your gym clothes smell even straight out of the washing machine. It's not you. It's the fabric.
It sheds microplastics. Every time you wash polyester, it releases thousands of tiny plastic fibres into the water. These microplastics flow into rivers, oceans, and eventually into the food chain. A single wash cycle can release up to 700,000 microplastic fibres. Your workout clothes are contributing to ocean plastic — silently, every week.
It feels synthetic. This one is harder to quantify but impossible to ignore once you notice it. Polyester feels artificial against skin. Slightly rough. Slightly wrong. You get used to it because you've never known anything different.
Why did activewear become polyester in the first place?
Fair question.
Polyester is cheap to produce. It's lightweight. It has some stretch. And in the 1970s and 80s when modern sportswear was being developed, it was genuinely one of the better technical options available.
The problem is the industry never really moved on. Polyester became the default — not because it's the best option, but because it's the most profitable one. Brands built supply chains around it. Factories optimised for it. And consumers were never given a reason to ask questions.
Until now.
What else exists?
The good news — fabric technology has come a long way.
Natural and semi-natural fibres have been developed that perform as well as or better than polyester for activewear — without the downsides.
Plant based fabrics derived from wood pulp, eucalyptus, and bamboo offer natural breathability, moisture management, and temperature regulation. They work with your body's natural systems rather than against them. They don't trap heat. They don't hold bacteria the same way. And they feel genuinely different against skin — softer, calmer, more natural.
These aren't niche experimental materials. They're available. They're proven. They're used by brands around the world.
They're just not the default. Yet.
What this means for your workout
Think about the last time you finished a workout feeling genuinely comfortable in what you were wearing. Not just functional — actually comfortable. Fabric that felt right. That moved with you without irritating or overheating.
That feeling is possible. It just requires choosing differently.
Your activewear spends more time against your skin than almost any other clothing you own. You move in it. You sweat in it. You push your body in it.
It deserves more thought than "88% polyester."
At Wearth
We started with one question: why does activewear have to be synthetic?
We couldn't find a good answer. So we built something different.
Every Wearth piece is made from natural plant based fabric — breathable, temperature regulating, and gentle on skin. No polyester. No synthetics. No compromises.
Wear it once. Your skin will know the difference.
[Shop Wearth activewear → wearthactive.com]