After struggling to put the mask on, it was blue, white and red, the colours of the French flag, with his initials on one side and jersey number 10 flanked by two stars representing France's World Cup wins and the national rooster emblem.
Mbappe was injured in a collision with Austria's Kevin Danso in Monday's 1-0 win, putting his future at the tournament at risk, but France manager Didier Deschamps confirmed he was recovering well and is set to face the Dutch in Group D on Friday.