Nausea is most directly tied to Vertical G-forces - the up-and-down forces that occur while on a ride. In particular, long stretches of low or Negative G-Forces can have a negative effect on Nausea. Additionally, rides that twist and turn a great deal will have an impact on nausea.
One size fits all.
These are made to order and lead time is 1 week.
Material
100% Cotton