9 - Not sure what a "deluxe" kilt is. I'm guessing those particular stores sell a "less-than-deluxe" kilt, and have to denote the difference.

10 - There are acrylic kilt hose. Even most woolen ones are really a blend. I've never had a problem with comfort, as opposed to the old woolen hunting socks they used to make.

11 - David and Doc gave good suggestions. On a typical kilted day, I've got a wallet, my keys and a small Crown Royal bag to keep small items, like change, together. You might not need any of that stuff on your wedding day. Never carried a flask, but many people enjoy having a dram so close at hand.