A rocker geometry midsole promotes smooth heel-to-toe transitions, reducing calf strain, long distance shoes running.
"Soft, smooth, and protective, the Ghost Max 2 women's road-running shoes deliver maximum comfort for running or walking. With lots of our soft, lightweight cushioning, a rocker shape that actively helps you move from landing to toe-off, and a broad base for added stability, the Ghost Max 2 is ready to roll."
The heel collar is padded with memory foam, reducing friction and potential blister formation, 2013 free run shoes.