Determine your pronation
“Buying a shoe based on how your foot pronates makes a big difference by balancing your foot out for maximum efficiency while helping to prevent injuries such as shin splints and knee pain,” says Prager. The three types of pronation are neutral (your heel strikes first, your arch supports it, and then your step rolls through to your toes); over pronating (your foot rolls inward and arch collapses down); and under pronating (when you put all the weight on the outside of your foot bone). Overpronators will want to be fitted for a shoe that has extra support on the inside. Underpronators should look for a shoe with more cushioning on the outside to protect the foot bone that’s taking most of the impact.