These Magnify Nitro men's running shoes give you more of the good stuff. First off there's Nitro Foam in the midsole that's Puma's advanced technology designed to provide amazing responsiveness and cushioning. Then there's Pumagrip, a durable rubber compound on the outsole that means you get traction on just about any surface. When comfort is the top priority, but you don't want to sacrifice style, these are the shoes to choose from. These shoes are ideal for road and indoor running.