Dome Shaped Bamboo Hat

This hat was from a stall at Chatsworth Country Fair selling items mostly made of hemp, however, it did also include other items, such as this bamboo hat.

Bugatti Cap

This is a Bugatti Cap, essentially a flat cap combined with ear flaps like a trapper hat

It has earlaps that can be worn up making look like a traditional flat cap look or pulled down to warm your ears when the temperatures drop.

More importantly, the ear flaps tie together at the bottom with a button or press stud which keeps the hat on even in strong winds or while you're driving your open-topped sports car

Bugatti caps are normally made of a tweed fabric like this one 

I assume although I may be wrong the cap is named after the Bugatti cars which built its first racing car 1905.

Red Beret

Red Beret of this style is mainly worn by military police, commandos & paramilitary. 

Red beret is also a term used to refer to British Parachute regiment although they wear a maroon coloured beret.

Green Pith Helmet

This Pith, although it doesn't look it in these photos, is green or dark Khaki.

It also had a 5 pointed star badge on red background originally making it a replica of an NVA helmet worn in the Vietnamese war. 

(NVA = North Vietnamese Army)

These helmets continued to be used in Vietnam until early 21st Century

Gifted to my hat collection as Christmas present.