Retro Ad From August 1987, The Turntec Invincible
“Runners are not squares.”
The Turntec Invincible was one of the only running shoes I know of that used polyurethane cushioning instead of EVA. As the ad states, polyurethane is more durable, but it doesn’t mention the fact that it is generally firmer as well.
Turntec Invincible Circa 1987
Jerry Turner, the owner of Turntec, had some pretty good ideas for shoes, but Turntec is no more. Leave a comment!
Matt is a co-manager and the Chief Technical Officer(CTO) at The Runner's Shop. Matt runs his own websites, Shoe Lexicon the Shoe Wiki and Drifter Lab - Free Flash Games.
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