Designed for plus-size women who suffer from lower back pain and Foot and Leg fatigue from being on their feetArch Guard plus shock Guard Technology provide extra sturdy support, distributes weight and reduces impact of each stepRelieves lower back pain and Foot and Leg fatigue from being on your feetDeep Heel cup provides stability and support for your foot, with every step you takeFits casual shoes, sneakers and Work boots/shoes. Trim to fit in any shoe.