Orthotics Des Moines || An arch support or shoe insert is an orthotic device used to prevent pain and assist easier movement particularly in flat feet. Good Feet has arch supports in over 350 sizes in 25 different styles; we've helped relieve a lot of foot pain! br br You don't have to live with pain anymore! The Des Moines Good Feet Arch Supports stores have helped people all over Des Moines to relieve their foot, back, hip and knee pain and be able to once again walk, work --even enjoy their favorite sports activities -- pain free, for the first time in years.