London
EST 2023
We Are
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We don't just make apparel. We craft performance gear for athletes who refuse to settle. Every stitch, every fiber, engineered for movement.
Our Story
Born From The Grind
Started in a garage with a vision. We knew athletes deserved better. Not just gear that looks good—gear that performs when it matters most.
Performance
Every decision we make is filtered through one question: does this make athletes better?
Innovation
We're never satisfied with the status quo. There's always a better fabric, a smarter cut, a new solution.
Our Community
Community
CSIX is more than a brand. It's a collective of athletes pushing each other to be greater.
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Support
100%
Commitment
45+
Countries
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Potential