Powerstep's SlenderFit Fashion Orthotics were designed with the female foot in mind. Discreet, ultra-slim design - for inconspicuous wear, tapered shape - fits in a variety of shoes including heels, boots, wedges, flats and sandals, unique S heel design - cradles the heel and provides full arch support, built-in metatarsal pad - provides extra cushioning under the ball of the foot and alleviates pressure for greater comfort and protection and natural grip on the underside holds orthotic in place.