Having given this both a test run and couple wears, I think this is the real deal. The technology is rooted in something designed in 1998 by Edward Harber, called Nike "Stand Off," which kept a mesh matrix knit away from the body creating a Venturi like effect of airflow.
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Holey shirt there's a lot going on. The Grand Prix is what modern running looks like now, and some praise for the Renaissance Runner-Artist-Founder.