The Untold Truth About Polyester

Gianni Moretto
Gianni Moretto Head of Design
"Read this BEFORE you buy your next gym shorts!"

1953 — The Summit in Wool

1953 — The Summit in Wool

Everest was first conquered in wool. One fabric for frost, rain, and heat, because it regulated and endured when the terrain didn't care.

1953 — The Summit in Wool

1954 — The Mile in Cotton

1954 — The Mile in Cotton

Roger Bannister broke the four-minute mile in cotton shorts and vest, pure airflow and freedom when every ounce and second mattered.

1954 — The Mile in Cotton

1950s— Polyester Is Born From Oil

1950s— Polyester Is Born From Oil

Industrial chemistry spun crude oil into fiber. It was cheap, scalable, and nearly indestructible.

1950s— Polyester Is Born From Oil

1970 — Sport Brands Choose Polyester

1970 — Sport Brands Choose Polyester

Polyester cost pennies on the dollar versus natural fabrics and could be dyed, stocked, and shipped at global speed, so brands built empires on it.

1970 — Sport Brands Choose Polyester

1996 — The Greenwashing

1996 — The Greenwashing

Polyester stayed polyester, just wrapped in a “sustainable” story. And we paid 20× the price for repackaged plastic.

1996 — The Greenwashing

2010 — The Microplastic Alarm

2010 — The Microplastic Alarm

We learned that synthetic garments shed tiny plastic fibers with wear and washing. Scientists found tiny plastic particles in almost 80% of the people tested.

2010 — The Microplastic Alarm

2025 — The Return

2025 — The Return

We brought luxury back to performance with Merino wool + organic cotton. A tailored cotton shell with an ultra-fine Merino liner that moves moisture, balances temperature, and resists odor. Zero polyester, made with New Zealand merino.

2025 — The Return

Test them out for 99 days

We're so confident you'll love Nero that we offer a 99-Day Money-Back Guarantee. No questions asked. Try them risk-free and feel the difference immediately. Say goodbye to sweaty plastic shorts forever

GET NERO SHORTS NOW
compare
POLYESTER
🌿 What It's Made From
Cotton + merino wool
Crude oil + chemicals
❄️︎ Temperature response
Regulates heat + cold
Clings, overheats, freezes
💧 Sweat handling
Wicks + dries naturally
Traps + smells
🧠 Skin feel
Breathable luxury
Sticky plastic
🪦 End of life
Returns to earth
Lasts 400 years

TLDR: The choice is clear - Nero shorts outperform polyester in every category.

BLACK FRIDAY SALE

Buy 1 Get 1 25% OFF
Limited Time Only!

Nero Shorts deliver zero plastic, all-natural performance. Helping you crush your workouts, dodge nasty odors, and protect what matters most.

UNLOCK YOUR 25% OFF TODAY
Try them with our 99-day money back guarantee!
Stock: Low
Fast free shipping