Summer style: Sweat soaker and wiping turban.
Requirement: A piece of colourful rectangular cotton cloth.
If you go to the Lad Museum in Byculla, there is a fascinating display of the communities that built Mumbai. Every single one of them have a headdress (or head covering style for women or umbrellas).
Even today, in 2016, the people who are building the new Mumbai wear a headdress.