AR Active T-Shirts
Get a move on with the AR Active T-shirts. Featuring odor-repellent technology to keep you fresh through every activity. Quick dry, stretchy, and versatile. Available in six colours that perfectly mix and match.
★★★★★ Rated 4.8/5
Why choose Cortazu over other outdoor brands?
1. We aren’t a household name. (That’s your advantage.)
We don’t run a global retail empire. So we don’t price as we do. We spend on materials, design, and testing, not on billboards.
2. Built on Performance, Not Licensing.
Many brands pay a massive "license tax" just to put a famous third-party label on their sleeve. We don’t. We work directly with the world’s best fabric mills to create our own technology.
- Independently Lab Tested: Always independently lab tested and our materials are certified to outperform industry standards in protection and breathability and durability.
- Field Proven: Every piece is tested in the world's harshest conditions—from the Himalayas to the Dolomites—to ensure it performs for wherever you go.
3. Not cheap. Just smart.
Buy it once, wear it for years. Our digital-first model keeps pricing fair — without cutting corners on quality. Because of our digital-first approach, we’ve stripped away the "middleman markups" and legacy retail costs. This ensures every Euro goes directly into the clothing quality, rather than into a complex supply chain.
4. Your purchase restores nature.
Certified B Corp + 1% for the Planet member.
For every item sold, we fund the re-greening of 100m² with Justdiggit, part of our mission to restore 100 million m².
5. Who this is for (and who it isn’t).
If you need a famous logo, we’re not for you. If you want long-lasting performance, clean design, and real impact — welcome.
P.S. Try it at home. Free shipping + easy returns. We'd like to earn your trust.
P.P.S. In Amsterdam? Drop by our flagship store, and we’ll help you choose the right setup.
Premium Outerwear
We combine high-performance outdoor gear with a strong commitment to sustainability. Products are made from recycled materials, free from harmful chemicals, and built with premium components to ensure durability and functionality in real outdoor conditions. Guided by strict environmental and social standards, we focus on creating long-lasting gear that minimizes impact while helping people explore nature responsibly.
The Cortazu Impact
We partner with Justdiggit to help cool down the Earth. If human activity can warm the planet, then together we can also cool it down.
Our mission: Regreen 100 million m² of land with our business.
Cortazu is also the first Dutch outdoor brand to be a certified B Corp™ and member of 1% for the Planet.
