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Athlinen Long-Sleeve Rash Guard

You train for real. Your gear should too.
Most rash guards are just plastic stretched into a shirt, trapping heat, sweat, and bacteria against your skin. That’s not performance... it’s punishment.

Athlinen Pro is different.
It’s built from 98% natural fibers (hemp, bamboo, and cotton) with only a touch of stretch where your shoulders need it. You get cooler skin, cleaner rolls, and true breathability without bathing your body in petrochemicals.

Natural where it matters.
Reliable where it counts.
Finally, a rash guard designed for the athletes who actually push themselves.

“Never knew a rash guard could breathe. This thing changed training for me; no heat

“I stopped overheating. It felt like a boost to my endurance just getting all the heat off me”
- Ben L

Regular price $71.00
Sale price $71.00 Regular price
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  • Estimated Delivery:Feb 09 - Feb 13

  • Free Shipping: On all orders over $99

Athlinen Long-Sleeve Rash Guard

Athlinen Long-Sleeve Rash Guard

Rethink Performance Fabrics

Polyester rash guards were designed for mass production, not human biology. They leach chemicals, trap heat, stink fast, cling when drenched, and suffocate your skin. The only “performance” they deliver is for the manufacturer’s margins.

Athlinen uses organic hemp, bamboo, and cotton engineered for breathability, structure, and temperature regulation. It works with your biology, not against it.

Bad For Bacteria


Polyester traps sweat and oils inside the fibers, turning every roll, scramble, and drill into a breeding ground for odor.

Athlinen’s natural fibers resist bacterial growth, stay fresh longer, and recover completely. That means fewer washes, cleaner skin, and a rash guard you’re not embarrassed if you forget it in your gym bag.

Adaptive by Nature

Athlinen's rash guards are designed to adapt to their surroundings.

Our fibers expand and breathe when warm and constrict when cool to trap heat. They are antibacterial, structurally durable, and engineered for movement.

The Dangers of Polyester

CNN Reports:

High Levels of Toxins Found in Polyester Clothes

Learn more

EVIE Reports:

Polyester from Clothes Sabotages Fertility

Learn more

Pubmed Studies:

Polyester Effective as a Male Contraceptive

Learn more

Guardian Reports:

Scientists found Microplastics in Every Testicle

Learn more

Despite growing like a weed, fabric quality hemp is hard to come by.

High-grade industrial hemp is scarce, and true apparel-grade hemp is even scarcer.

If you want the real thing, don’t wait.