For people who read the science

Your clothes are made of plastic.
Ours isn't.

Performance apparel and oral care made from 100% natural fibre. Zero microplastics. Zero PFAS. For people who have already made every other switch.

Shop the collection

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 athletes.

5 days

Worn consecutively without washing — zero odour, blind test confirmed

The Problem

Your clothes are a daily toxin delivery system.

You filtered the water. You read the food labels. You switched to clean beauty. The clothes are the part nobody told you about.

700k

Microplastic fibres shed per wash from a single synthetic garment

Environmental Science & Technology

1 in 4

Major athletic brand garments test positive for PFAS

Mamavation, 2024

50%

Faster chemical absorption through skin during exercise, when pores dilate

Journal of Applied Physiology

"PFAS, BPA, phthalates, and microplastics have been detected in human blood, organs, reproductive tissue, and placentas. Clothing is a primary and underreported exposure route."

Endocrine Society, 2024

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The Collection

One problem. multiple solutions. Zero plastic.

Natural fibre that performs better than synthetic. Without the toxins. For every body, every activity.

100% Merino Wool Running Tee

For Male runners

Merino Running Tee

7-day run test. Zero odour. Zero plastic.
100% Merino Wool Gym Tee

For Gym

Men's Merino Gym Tee

Five sessions. One wash. No endocrine disruptors.
All Natural Merino Wool & Cotton Running Shorts

For Male Runners

Natural Running Shorts

Natural liner. Zero synthetic contact where it matters.
100% Natural Merino Wool & Cotton Gym Shorts

For Gym

All Natural Gym Shorts

Natural liner. Zero synthetic contact where it matters.

Why it works

Natural fibre does what synthetic
promised but couldn't deliver.

You filtered the water. You read the food labels. You switched to clean beauty. The clothes are the part nobody told you about.

Zero microplastics

Polyester and nylon shed synthetic plastic fibres with every wash and every wear. They enter your body through the gut, lungs, and skin.

 

Merino wool is a natural keratin protein. It sheds nothing synthetic. It biodegrades completely.

No endocrine disruptors

Synthetic fabrics carry BPA, phthalates, and PFAS — chemicals that interfere with hormone production. Your skin absorbs them during wear. Faster during exercise.

 

Merino contains none of these by material definition. No coatings. No chemical finishes. Nothing to wash out.

Natural performance, no treatments needed

Merino thermoregulates through fibre structure, wicks moisture as vapour, and resists odour through lanolin and keratin — all without chemical treatment.

 

The performance is permanent because it's biological. Nothing washes out after 20 cycles.

Verified runners

What men who read the label are saying.

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

Polyester Synthetic

    Merino Blend
(Icebreaker, Smartwool)

ZPP 100% Natural

PFAS detected

Yes - 1 in 4 brands

Possible (nylon content)

Zero - independently tested

Microplastics per wash

700,000+ fibres

Yes (synthetic content sheds)

Zero

Odour after 5 sessions

Yes — permanent

Partial resistance

No — natural antimicrobial

100% natural fibres

No

No — nylon/polyester blend

Yes — no exceptions

Biodegradable

No (500+ years)

No (synthetic content persists)

Yes — fully

Certifications

None

Limited

GOTS + OEKO-TEX Standard 100

Lifespan

6–12 months

12–18 months

3+ years with care