OOFOS Size 9 Pre-owned in great condition The OOmega OOlala is a versatile, modern take on the traditional OOlala active recovery sandal. Still featuring the same proprietary OOfoam™ technology and patented footbed design - the addition of the MEGA midsole gives you an extra 15mm of impact-absorbing OOfoam™ technology. The OOmega is a step forward in fashion and another step into active recovery. OOmega, a women’s platform sandal for trend-setting recovery, day or night. Unique in footwear and only from OOFOS.