Activewear without polyester or nylon
Most activewear sold in India is made from synthetic fabric, and most people who buy it never check the label. This page is for the ones who do.
What synthetic fabric actually is
Polyester and nylon are plastic. Both are made from petroleum, spun into fibre, then woven or knitted into the leggings, t-shirts, and shorts that fill most gym racks. Synthetic fabric is cheap to produce, which is why it dominates the activewear market — brands can price it like a premium product while the raw material costs them very little.
The trade-off shows up on your skin. Synthetic fabric does not absorb moisture, it moves it around. Once you start sweating, a polyester or nylon garment traps heat close to the body and holds onto odour long after the wash. Washing synthetic fabric also releases microplastic fibres into water systems — a well-documented issue that has nothing to do with how the garment performs and everything to do with what it is made from.
What plant-based fabric is
WEARTH fabric is grown, not synthesised. Our fibre comes from eucalyptus pulp, processed in a closed-loop system where the water and solvents used are recovered and reused rather than discharged. The result is a plant-based fabric with no polyester and no nylon in it — up to 95% eucalyptus fibre, with a small percentage of elastane added for stretch and recovery.
Because the fibre starts as a plant, it behaves differently against skin. It absorbs moisture instead of pushing it around, releases heat instead of trapping it, and does not carry the same odour build-up that synthetic fabric does after repeated wear.
Why it matters for skin and sweat
Activewear sits against skin for hours at a time, often while you are sweating, which is exactly when fabric choice matters most. Synthetic fabric heats up with your body and holds that heat in. Plant-based fabric breathes through it. Over a long session — or a long day where you do not get around to changing — that difference is felt, not just claimed.
This is not a scent or a finish sprayed onto the fabric. It comes from what the fibre is grown from in the first place, which is also why the feel does not wash out over time the way synthetic treatments often do.
Where to start
If you want to feel the difference rather than just read about it, three pieces make it obvious fastest:
- The First Set — Terra Bra and Biker Shorts together, sized separately for bust and hips.
- Biker Shorts — mid-thigh, no ride-up, in eucalyptus fibre jersey.
- Everyday Joggers — tapered, weightless, and quietly structured.
Every piece ships with a 30-day worn return: wear it, sweat in it, and if it is not the softest thing you own, send it back for a full refund with free courier pickup.
For a deeper look at what synthetic fabric does to skin over time, read our guide: Non-Toxic Activewear India: Complete Guide to Workout Clothes Without Polyester.