, whole foot) strike that occurs directly underneath the body, instead of a heel strike that occurs in front of the body. Unfortunately, access needs often make shopping for fashion and style a dreaded chore. Make your best guess at this point: If you run regularly, a new pair of shoes will have a life expectancy of four to six months, which is another way of saying that the opportunity to try alternatives won’t be far off. But evidence suggests that shoppers’ warm glow is unjustified. Detractors say that super-soft cushioning in some shoes makes for a “mushy (less efficient) toe-off as you run.