Cyclists have long worn a cycling cap to protect their heads from the sun's rays - this was more common in the pre-helmet era - absorb some sweat on hot days, and add some warmth in winter.
It was presented last month at the UCI Road Worlds Championships in Zürich and presented a way forward with a budget cap that ...
But if you're just watching a road cycling event for the first time ... for 'hat' and is seen as the equivalent of doffing one’s cap to someone who deserves your admiration.