The standard insoles in shoes and boots are usually just for basic comfort. Most of us ignore their insoles. when your feet hurtor become uncomfortable during your daily activities, you should get an aftermarket insole. Aftermarket insoles are designed to help your shoes fit and feel better, to reduce the shock from walking and running, and to possibly help some foot medical conditions. You can buy insolesto help with either comfort or support. Make sure when buying them, yu take into account, your sock thickness as this will impact how thick of an insole you can insert in your shoes or boots.