The ref was wrong:
Fifa Rules:
The basic compulsory equipment of a player comprises the following separate
items:
• a jersey or shirt with sleeves – if undergarments are worn, the colour of the
sleeve must be the same main colour as the sleeve of the jersey or shirt
• shorts – if undershorts or tights are worn, they must be of the same main
colour as the shorts
• stockings
• shinguards
• footwear
Infringements and sanctions
In the event of any infringement of this Law:
• play need not be stopped
• the player at fault is instructed by the referee to leave the field of play to
correct his equipment
• the player leaves the field of play when the ball next ceases to be in play,
unless he has already corrected his equipment
• any player required to leave the fi eld of play to correct his equipment
must not re-enter without the referee’s permission
• the referee checks that the player’s equipment is correct before allowing
him to re-enter the field of play
• the player is only allowed to re-enter the field of play when the ball is out
of play
A player who has been required to leave the field of play because of an
infringement of this Law and who re-enters the field of play without the
referee’s permission must be cautioned