The Kiwis wear these, they look smart with the kilt. I only wish they could shorten their jackets a bit!

I used to have a great photo of a Massed Bands/March Past (in Texas perhaps) in which all the pipe bands and Drum Majors were wearing cowboy hats. Unfortunately I can't find that photo now.
At our California Highland Games it's Glengarries for the band competition and Massed Bands and sunburns do result!
It's standard for us to slather ourselves with sun-block at the Highland Games.
Proud Mountaineer from the Highlands of West Virginia; son of the Revolution and Civil War; first Europeans on the Guyandotte