With the beginning of a new Formula One season comes a raft of changes – to the regulations, to the team liveries, and to the driver line-ups.
But though 2017 sees a significant overhaul of the rules governing the design of the cars, it also sees several drivers continue to tinker with their helmet designs. What fun they have.
Have you been able to keep track of all the important aesthetic changes to the men in the middle? Can you remember which design finally won the competition to be Lewis Hamilton's new headgear for this year? And just who is Number 27 these days – Jean Alesi still?
Whether you're a past master of recognising driver helmets, or a novice in the game, it's time to measure yourself against our driver-helmet match-up quiz – the Australian Grand Prix is only days away and you don't want to be caught short.
Just pick the helmet you think matches each driver's name as it pops up in turn. Simple, surely...