the ollie swaddle -- helps to reduce the moro (startle) reflex -- made from a custom designed moisture-wicking material (sky) the ollie the ollie swaddle is made from a custom designed moisture-wicking material to help reduce the risk of overheating. it is made from a special stretch material that helps to allow for a snug fit to ease with the transition from the womb, while, at the same time, not putting any constraint on the joints. the ollie helps to reduce the moro (startle) reflex and decrease irritability and fussiness. the ollie enhances the quality and duration of sleep, while promoting bonding and thus enhancing neurodevelopment.