The humble helmet plays a vital role for each rider in the professional peloton and there's simply never been as many to choose from as there are today.
In this video, we take a closer look at five popular helmets from heads of the pro peloton. Included is Swedish brand POC with its popular Octal lid, and Team Sky's helmet of choice - the Kask Protone.
Also in the mix is Bontrager's Ballista, a well-priced option that topped BIkeRadar's comprehensive aero helmet test late last year.
So which one is your favourite? Let us know in the comments below.
Top five helmets from the pro peloton