Let’s be real: most men’s gym shorts are made of one thing — plastic.
Polyester. Nylon. Spandex. You know the ones.
They stretch. They stick. They stink.
But what no one’s talking about?
They might also be messing with your hormones.
Specifically: your testosterone.
Wait — clothes can affect hormones?
Yes. And here’s how:
Most synthetic fabrics are petroleum-based and treated with chemical softeners, waterproofing agents, flame retardants, and toxic dyes.
These chemicals don’t just sit on the surface — they get absorbed through your skin, especially when you sweat.
Your skin is your largest organ.
And your groin? One of the most absorbent, heat-sensitive zones on your entire body.
Tight, plastic-lined synthetic shorts can:
● Trap heat
● Disrupt your natural detox pathways
● Create an environment linked to lower testosterone + sperm quality
So yes — what you wear down there matters. A lot.
Let’s talk about microplastics + endocrine disruptors
Every time you wear or wash synthetic gymwear, it sheds microplastics.
These tiny plastic particles can be inhaled, ingested, or absorbed through your skin — especially in high-sweat zones.
And those plastics?
They often carry phthalates, BPA, PFAS, and other hormone-disrupting chemicals that:
● Mimic estrogen
● Interfere with testosterone production
● Disrupt your entire endocrine system
And the worst part?
It happens daily.
Every wear. Every wash. Every workout.
So what’s the alternative?
Let’s compare:
| Synthetic Gym Shorts | ZUBEK Merino Shorts | |
|---|---|---|
| Fabric | Polyester, Nylon, Spandex (aka plastic) | 100% Merino Wool |
| Elastic | Petroleum-based synthetic stretch | Organic cotton + natural kauchuk (biodegradable) |
| Thread | Often polyester | 100% Cotton |
| Breathability | Low – traps heat and sweat | High – thermoregulating & breathable |
| Odor Control | Needs chemical treatment | Antibacterial by nature |
| Hormone Safety | Linked to endocrine disruption | Hormone-safe, toxin-free |
| Skin Sensitivity | Can cause rashes, irritation | Gentle, ideal for sensitive skin |
| Environmental Impact | Microplastic shedding | Fully biodegradable + toxin-free |
Merino = performance without plastic
Our Men’s Merino Shorts are built from nature — not oil.
● 100% Merino Wool
● 100% Cotton Thread
● Biodegradable Elastic (Organic Cotton + Natural Kauchuk)
That means no synthetics.
No greenwashing.
No plastic rubbing against your skin all day.
Just sculpted, breathable, skin-safe movement — designed to support your performance and your health.
Real strength starts with real materials
If you’ve already cleaned up your skincare, your diet, your supplements… but your gymwear is still made of plastic?
It’s time.
Because your testosterone deserves better than spandex.
→ Shop the ZUBEK Merino Shorts
No plastic. No compromise.
Just clean performance, redefined.
