Using these OOFOS women's OOmg eeZee Low shoes is simple. Just slip them on and enjoy the comfortable fit and reduced joint stress as you walk. When it comes to maintenance, you can toss them in the washing machine because the closed - cell foam is machine - washable. This will also help minimize any odors. As for precautions, although the rubber outsole provides good traction, be careful on very wet or slippery surfaces. And while they are durable, avoid excessive rough use that could damage the 4 - way stretch fabric upper.