From OOFOS, the OOcloog Leopard Clogs feature:  OOfoam® technology upper absorbs 37% more impact than traditional footwear Closed-cell foam is machine washable and designed to minimize odor Slip-on closure  Proprietary footbed design reduces stress on knees, ankles, and other joints Leopard print rubber upper  Cradles your arches Tread patterned foam outsole Imported.