dfnition stands at the intersection of performance and culture, creating pieces that blur the line between the gym, the game, and the street.

Premium quality
Fast shipping
Eco-friendly

What People Are Saying

"This t-shirt exceeded my expectations! The fabric is super soft, breathable, and feels great against the skin. The fit is perfect—not too tight, not too loose—and it keeps its shape even after multiple washes. I love the quality and the attention to detail; it feels durable and well-made. By far the best shirt I’ve ever had."

Matthew, Canada

"Good fit and feel. High quality t-shirt that doesn't stretch out or shrink."

Jordan, Canada

"Great quality, stylish and comfortable!"

Johanna, Canada

"I received this hoodie as a gift and I couldn't be happier. It's super cozy and I love that the front pocket also has the sherpa-type lining. I am 5'11 and the Large fits a bit big on me but it's perfect as an oversize hoodie. I can't wait until fall and winter to wear this all the time!"

Rebecca, Canada

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