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100% Merino Wool Gym Tee

Name: 100% Merino Wool Gym Tee
Brand: Zero Plastic Performance
Price: 115.0 AUD
Availability: InStock
Rating: 0.0 (0 reviews)

2,500+ Verified Reviews!

Plastic Free & Non-Toxic

No Harmful Chemical Coatings

Anti-microbial & Odor Resistant

Quantity

Our Moneyback Guarantee

Try them for 30 days. If you don't love them, we'll refund every cent. Free return shipping included. No questions asked. Just email support@zeroplasticperformance.com

Product Details

19.5 Micron Merino: Softer than cotton. Verified pure.
Woolmark Certified: No blends. No shortcuts.
GOTS Certified Cotton: Grown without a single chemical.
OEKO-TEX® Standard 100: Every part tested skin-safe.
Bluesign® Approved: Zero harmful substances. Period.
100% Plastic-Free: No polyester. No toxins. Ever.

Sizing Guide

Units

	S	M	L	XL	XXL

How to measure. Chest — wrap a tape around the fullest part of your chest, under your arms. Waist — measure around your natural waistline. Length — from the highest point of the shoulder to the hem. These are body measurements. If you're between sizes, size up for a more relaxed fit.

Shipping and Delivery

FREE SHIPPING: All orders ship free, no minimum purchase required.

PROCESSING TIME: Orders ship next business day (Monday-Friday, excluding holidays).

DELIVERY TIME: 7-10 days from ship date.

TRACKING: You'll receive tracking information via email once your order ships.

RISK-FREE RETURNS: 90-day return window with free return shipping. No questions asked.

Most running tees today are made from polyester that sheds microplastics and leaches toxins directly into your body.

With the Zero Plastic Performance merino tee, you can finally run clean. Each tee is crafted from pure Australian merino wool, no plastic, no toxic coatings, just a natural fiber that performs better and is built to last years not months.

100% Natural Fibers · Zero PFAS · Zero Microplastics · GOTS + OEKO-TEX Certified

Your GYM TEE is made of plastic.
Ours isn't.

Run clean - 60 days risk free

30%

Moisture held before feeling wet — vs <1% polyester surface wicking

18.5μm

Merino fibre diameter — finer than cashmere, zero itch threshold

4.9★

Average rating from 2,612+ verified gym goers

7 sessions

Consecutively without washing — zero odour, blind test confirmed

Certifications

GOTS Certified

Global Organic Textile Standard — highest standard for organic textile processing worldwide

OEKO-TEX Standard 100

Independently tested for 100+ harmful substances including PFAS, BPA, heavy metals, and formaldehyde

BPA-Free — Independently Tested

Third-party lab verification. Not just a brand claim.

PFAS-Free — Independently Tested

No per- or polyfluoroalkyl substances. Verified, not implied.

The Comparison

100% natural isn't a marketing claim. It's a material difference.

Icebreaker and Smartwool blend with nylon. Their fibres still shed microplastics. "Merino" in the name doesn't mean clean. Check the label

Feature

Merino Blend
(Icebreaker, Smartwool)

PFAS detected

Possible (nylon content)

Microplastics per wash

Yes (synthetic content sheds)

Odour after 5 runs

Partial resistance

100% natural fibres

No — nylon/polyester blend

Biodegradable

No (synthetic content persists)

Certifications

Limited

Lifespan

12–18 months

Verified Gym Goers

What men who read the label are saying.

Daniel F.

Strength Training · Label Reader

"I started checking labels after Huberman's episode on environmental toxins. Every gym shirt I owned was polyester. This was the only 100% merino gym tee I could find that wasn't blended with nylon. Eight sessions in, no wash, no odour. That's not a marketing claim."

Marcus W.

Health Optimizer · Biohacker

"I've audited most of my environment, water filter, no seed oils, blue light. Then someone pointed out I was still training in polyester with my pores wide open. Switched to this. The fit surprised me, and it doesn't trap heat the way I expected wool to."

James R.

Sports Physio · Verified Purchaser

"I'm a sports physio. I verified every claim before ordering, the Mamavation PFAS data is real, the University of Birmingham microplastics study is real, the OEKO-TEX certification means something specific. This is the only gym tee I wear now."

Tom S.

Strength Training · Skeptic Convert

"Skeptical of the odour claim. Wore it six sessions back to back without washing. No odour. Fit held through squat and overhead press. Worth the price."

Alex M.

HIIT Training · Wool Convert

"Previous merino products irritated my neck. This one doesn't. Read up on the 18.5-micron spec before buying, it sits below the prickle threshold. Comfortable for a two-hour session including warm-up and cool-down."

Ryan K.

Verified Purchaser · Research-Led

"Found out my Lululemon tee had detectable PFAS. Replaced my whole kit. This is the only gym tee I found with an actual third-party test result, not a claim, a Certificate of Analysis. That distinction mattered."

Common Questions

Straight Answers

Won't wool be itchy?

Not a chance. Our merino fibers are 18.5 microns, finer than a human hair. That's a completely different beast from the scratchy wool sweater you're thinking of. Most guys describe it as the softest shirt they own.

Is it going to be too hot for the gym?

Nope. Merino actually thermoregulates in both directions. It keeps you cool when you're hot and warm when you're not. Unlike polyester, which traps sweat against your skin, merino moves moisture through the fiber so you actually feel dry. It works the same way in summer as it does in winter.

Can it really handle heavy lifting and intense training?

Yes. The fiber has natural stretch, so your range of motion isn't limited. Guys have worn these through full lifting sessions, HIIT, and long runs without issues. It's not just for hiking; this tee was built with gym performance in mind.

Why does it cost so much?

Think of it as cost-per-wear, not cost-per-shirt. You're probably already spending $65 to $90 on a polyester tee. This is the same price, except you'll wear it 3 to 5 times between washes, it won't lose its performance after 50 washes, and it isn't leaching plastic chemicals into your body every session. The math actually works out in your favor.

Will it get holes?

We'll be straight with you. 100% merino is a fine fiber, so it needs slightly more care than a cheap polyester tee. That said, our construction is built for gym use specifically (not ultralight travel weight), and if anything happens within 60 days, we've got you covered. Treat it right and it'll outlast every synthetic tee in your drawer.

How do I wash it without ruining it?

Cold wash, gentle cycle, air dry. That's it. The good news? Because merino naturally resists odor, you wash it way less often, which means it lasts longer and you save on laundry.

Will it dry fast enough after I sweat?

Merino absorbs moisture into the fiber rather than leaving it sitting on your skin, so even while it holds some moisture, you won't feel soaked or clammy mid-workout. It dries a little slower than polyester on a hanger, but during training it actually feels drier. Big difference.

How do I know the "no toxins" claim is actually real?

Fair question, and you should ask it. Ours is third-party verified. Look for OEKO-TEX and GOTS certification on our product page. Those aren't brand claims; they're independent labs testing for 1,000+ harmful substances including PFAS, BPA, and phthalates. The certifications don't lie.

Isn't "recycled plastic" activewear already the sustainable option?

Recycled polyester is still plastic. It still sheds microplastics every wash. It still sits against your skin while you sweat. "Recycled" is an environmental story, not a health story. We're solving a different problem entirely.

See what our customers had to say

Zero Plastic Performance

100% natural merino wool activewear. No synthetics. No PFAS. No compromise.

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100% Merino Wool Gym Tee

Our Moneyback Guarantee

Your GYM TEE is made of plastic.
Ours isn't.

100% natural isn't a marketing claim. It's a material difference.

What men who read the label are saying.

Straight Answers

See what our customers had to say

Country/region

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100% Merino Wool Gym Tee

Our Moneyback Guarantee

Your GYM TEE is made of plastic.Ours isn't.

100% natural isn't a marketing claim. It's a material difference.

What men who read the label are saying.

Straight Answers

See what our customers had to say

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Your GYM TEE is made of plastic.
Ours isn't.