Obviously in the cause of equality the boys should wear the same. My only reservation is that she is showing her whole face in the picture on this page. The boys, at very least, should have more of their faces covered up, to spare everyone from their spots.
Meanwhile, I look forward to Christians insisting on the right to
wear head coverings as taught in 1st Corinthians 11 and wear suitably modest swimwear.
Actually, a number of these Christian sites (I came across them through a link roaming round the blogosphere) seem rather creepy, there are articles written by men about how women ought to be covered up who I felt were probably getting off on writing them.