Ooooaaaahhh these are amazing! Slide into the revolutionary Oofoam technology that absorbs more impact to reduce stress on your feet and joints, aiding in the recovery process. Once you experience this extraOordinary comfort you'll never want to wear anything else! Enables natural rolling motion Machine washable Minimalist construction for light weight In great condition only worn once inside. They come from a smoke/pet free environment. Thanks for visiting my closet.