Buying Hats In Singapore Where Can I Buy One Of Those Military Hats In Singapore?

Where can i buy one of those military hats in singapore? - buying hats in singapore

as it would in this link:
http://media.musictoday.com/store/bands/1037/product_large/G4CH07.JPG
In just has to find the style to have to be not exactly the same, or know someone has a good business, if possible, could you find?