ZEROGRAND was the franchise that turned the dress shoe world upside-down. And for some people, that would've been enough. But we're always seeking new challenges and higher standards for our products and ourselves. So consider 4.ZEROGRAND the undeniable proof that you can have a great thing, and still make it better. Engineered with all-new triple-density foam system that delivers a plush ride, while deeper flex grooves offer exceptional on-the-go comfort. A lightweight yet durable, full-length TPU outsole offers all the traction you need.