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1 item 10% · 2 items 20% · 3 items 30%. Comes off the price automatically.

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Featured products

Leggings in Hyper Blue, sportlegging dames, productfoto 2
Promotional price€49,95
Leggings in Ultra Black, sportlegging dames, productfoto 2
Promotional price€49,95
What's new
Atleet in de Raspberry Pink set bij het squatrek
New colour

Raspberry Pink

The Leggings, the Bra and the tops are here in Raspberry Pink. Size L has sold out everywhere, S and M are still in stock.

View Raspberry Pink
Atlete in de Sculpt Zip Jacket en High Waist Leggings in Ocean Blue op een bank in de gym
Updated

The site has been rebuilt

A new menu, calmer collection pages, and every colour of one model together on the product page. That way you find the colour you want faster.

View the shop
Atlete in de Crop Zipper en Shorts 4.5 inch in Ultra Black met shaker op de baan
New on the site

You can now write reviews

There is now room for a review under every product. Got something from us in your wardrobe? Tell us how it holds up after a few sessions. That helps the next customer more than any product photo can.

Pick your product

Product Testing

Jan 21, 20262 min read

Where performance is tested, not promised.

At Extreme Performance, performance isn’t a marketing claim — it’s a standard.
Before a product launches, it goes through an intensive testing process that goes beyond an average workout.

We don’t test our performance wear in theory.
We test where it counts: under load, in motion, and over time.


Why product testing is essential

Performance wear should never distract.
It must support, move with you, and stay reliable — especially when intensity rises.

That’s why we test every product with one goal:
consistent performance, training after training.

From fabric selection to the smallest detail, nothing is approved unless it meets our performance standard.


Squatproof testing

One of the most important tests for our leggings is the squatproof test.

Every fabric is tested during:

  • deep squats

  • lunges

  • hip thrusts

  • movements under maximum stretch

We test under different lighting conditions and on multiple body types to prevent transparency.

The result:
Our leggings remain fully opaque, no matter the movement or intensity.

No uncertainty.
Full focus.


Stretch & recovery test

Stretch alone doesn’t make performance wear.
True performance means the fabric returns to its original shape.

That’s why we test for:

  • 4-way stretch

  • shape retention after intensive use

  • waistband stability

  • support without pinching

The fabric moves with the body and then recovers without sagging or losing structure.
This prevents slipping, rolling waistbands, and loss of compression.


Wash & durability test

Performance wear must not only perform during training but also over the long term.

We test for:

  • color retention

  • fabric quality

  • elasticity after repeated washing

  • seam durability

  • logo lifespan

Our signature 3D silicone logo is applied a few millimeters thick and tested for flexibility and adhesion.
It doesn’t fade, tear, or come loose — even with intense use and frequent washing.

Durability is not an extra.
It’s a requirement.


Tested in motion by athletes

Our products are tested not only under controlled conditions but also in real training situations.

Athletes wear our performance wear during:

  • strength training

  • conditioning

  • high-intensity workouts

  • long training sessions

Their feedback determines the final fit, support, and comfort.
Only after multiple test rounds is a product finally approved.


Tested to perform. Made to last.

Product testing is not just a marketing story for us.
It’s the foundation of everything we do.

Every detail is critically evaluated because there’s no room for compromise when performance matters.

Does a product not meet our testing standard?
Then it doesn’t make the collection.

That is our promise.


Ready to experience the difference?

Discover performance wear that supports you when you give it your all.
Tested. Proven. Extreme Performance.

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