Feel the OO - An evolution of the OOriginal, the OOahh Slide features an agile foam strap for additional support and comfort. Like every OOFOS shoe, it features OOfoam technology & the patented footbed.OOfoam Technology - Our revolutionary OOfoam technology absorbs 37% more impact than traditional footwear foam materials to reduce the stress on your feet, joints & back. Plus, the closed-cell foam is machine washable and designed to minimize odor.Patented Footbed - Our patented footbed cradles and supports arches to reduce energy exertion in the ankles by up to 47% compared to competitors’ footwear. So walking is easier. Recovery is faster. And yOO feel better.Fabric type Synthetic-and-rubberSole material ManmadeOuter material SyntheticClosure type. Slip On