The Alamodome offered two advantages over other U.S. facilities – it was a multi-purpose facility with retractable seating that could accommodate a full size CFL field, and it was an indoor, air-conditioned facility, meaning the teams playing there did not have to deal with the summer heat.
The Alamodome provided two benefits over other U.S. facilities: versatility (multi-purpose) and climate control (indoor, air-conditioned).