Complex sentence: The current uniform, since 2004, consists of a blue and red polo shirt with the Rainbow logo on it, a red hooded jacket and a choice of either tracksuit bottoms or cycling shorts, which the girls are encouraged to pick themselves.
Split into simpler sentences: The current uniform consists of a blue and red polo shirt with the Rainbow logo on it. There are many uniform choices such as tracksuit bottoms and cycling shorts, which the girls are encouraged to pick themselves.