depends on which refs you get
the barrel protectors are fine im sure, as regards neck protectors it does state in the the rules that only neoprene neck guards are allowed not neckerchiefs, bandanas etc.
Jon
* Edit *
8.07 Players are encouraged to wear neck protection consisting of close fitting neoprene
around the whole neck, with a total layers thickness not exceeding 2cm. Scarves and
similar clothing are forbidden unless cleared prior with the Tournament organiser with a
valid Reason for use.