 Tina immediately tried them on, even though they're the wrong size, and said, get me a pair of these. They're fantastic. And it turns out, after a lot of road miles, they are fantastic. G-Defy shoes have VersaSoc technology. And unlike ordinary brands, G-Defy offers superior shock absorption and trampoline-like energy return. That helps provide you with a relief from foot, knee, ankle, or back discomfort.