NORMAL DOESN'T IMPRESS ANYONE

You don't drag yourself through hell - session after session, make every sacrifice, fight every demon, just to be normal. Neither do we. We never wanted to be normal.

Performance

Performance

Performance

This is the top echelon of gym apparel: Diamond Theory Performance—a fusion... 

Bodybuilders

Muscle

Muscle

Diamond Theory Muscle Fit Range 

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Strongmen

Mass

Mass

Diamond Theory Mass Fit Range  

  • CLOTHING FOR PROS

    There is a reason why we are the only brand at athlete events. There is a reason why we are the only brand who accomodate both Bodybuilders and Strongmen. There is a reason why our sizes aren't normal. There is a reason why we are worn by the Pros. We are Diamond Theory.