I have two chairs, ThunderX3 EC3 and this. Two absolutely identical chairs with their minuses and pluses. It's a little wider, not as streamlined, the materials are cheaper. In the thunder you sit more compressed, as in the cross of an attraction, the chair wraps around you. Visually, the thunder looks richer, but the gas lift creaks out of the box, changed to another, also creaks. It can be described as follows: AeroCool Earl does not look so presentable, a little harsh, but reliable. ThunderX3See full review