It cost less to keep and can improve ingest bad weather and allow multiple sports to use them every day without noticeable wear and tear. Coaches agree that the synthetic fields can hold at least ten time more events than every day green surfaces- It. Sounds like a big investment, but keeping up with Joneses seems to make a final decision. During the fall season when most fields start to turn brown, synthetic turf fields are the biggest attraction for teams of surrounded area. More and more school are converting their sports fields to the synthetic grass turnkey.