South Africa wore the same Nike design of jersey and forward Bakkies Botha also had his shirt torn.
The first World Cup to be held in the summer has sparked off the biggest changes in rugby kit for decades.
As well as being harder to grab hold of, the collarless shirts are lighter, allowing sweat to evaporate more easily on warm nights.
But if too many players have to change their jerseys and end up wearing no numbers on their backs, England could get into trouble. Officials need the numbers to identify players involved in foul play.