1. The crash is real

1. The crash is real

The biggest sportswear company on earth is down nearly 80% from its peak, trading at 12-year lows, and just got deleted from the S&P 100 after 18 years. An empire built on polyester is being repriced in real time.

2. You're paying a 10x mark up

2. You're paying a 10x mark up

92% of gym wear uses polyester because it's cheap to mass-produce. Brands profit while you sweat in recycled plastic bottles, soaking in bacteria and chemicals. Now Wall Street knows.

3. It shrinks your balls

3. It shrinks your balls

In a groundbreaking medical study, polyester caused complete infertility, dramatically reduced sperm production, and visibly shrank testicular size. You've optimised your sleep, your protein, your training and then you wrap the most important real estate you own in the one fabric shown to damage it.

4. The smart money already moved

4. The smart money already moved

While sportswear stocks cratered, merino wool cost jumped 69% since lows, outperforming the S&P 500, on its longest price rally since 1987. Your Nero shorts are a better asset than their stock.

5. Why Nero is leading the charge

5. Why Nero is leading the charge

The Active Merino Liner Short delivers active thermoregulation that stays cool, natural odor elimination, and a tailored athletic cut, free of obnoxious branding.

Zero synthetics. Ever.

6. Test them out for 30 days

6. Test them out for 30 days

We're so confident you'll love Nero that we offer a 30-Day Money-Back Guarantee. No questions asked. Try them risk-free and feel the difference immediately. Say goodbye to sweaty plastic shorts forever.

900+ Reviews

Shorts for Any Season

Temperature-Regulating: Stay cool in scorching heat and warm when it’s chilly—no more sweaty plastic clinging to your thighs.

Naturally Moisture-Wicking: Merino wool quickly absorbs and evaporates sweat, keeping you dry and comfortable throughout the day.

Built for Every Workout: Crafted from unbelievably soft yet durable Merino fibers, our shorts handle intense workouts, weekend hikes, and everything in between.

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Nero merino liner short

All-natural athletic shorts designed for movement and built for durability.

All natural fabrics

All natural fabrics

Regulates temperature

Regulates temperature

Moisture-Wicking

Moisture-Wicking

Soft as cashmere

Soft as cashmere

New Zealand merino

New Zealand merino

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“I Wish I’d Tried Them Sooner”

99-day money-back guarantee

Don’t absolutely love your Nero Shorts? No Worries - we uphold a 99-Day Money-Back Guaranteed policy. No questions asked.

New zealand merino

Our Merino Wool is sourced and produced in NZ and production is finished locally.

Fast and free shipping

Get free shipping and 3-4 day delivery