VIONIC advises that these are designed for everyday use: fits all types of women's casual and heeled shoes.Take care of your feet the way they take of you, with the amazingly-supportive Dress Slimfit orthotic from VIONIC .Designed for everyday use and fits all types of fashion and casual footwear.Soft 100% polyester microfiber topcloth has EcoFresh earth friendly microbe shield technology to help safeguard against odor-causing bacteria.Shock-absorbing polyurethane materials provide comfort and flexibility to ensure a custom fit every time.Supports the foot with a built-in rear-foot angle which helps realign the foot to its natural position.Supports the metatarsal bones, and helps provide effective relief from the ball-of-foot pain, as well as painful bunions, corns and calluses.For best results, it is recommended that you replace your orthotics every 12 months.