What kind of fabric is used on the phil&teds cocoon travelfix booster?

The fabric for the phil&teds cocoon travelfix booster is Aerated PU leather, which is cool in Summer and warm in Winter. It is also easy to wipe clean and avoids having to remove the fabric from the main seat frame. Please refer to the following link for further information on the features of the cocoon travelfix booster. [PDF]