If you're looking for something equally low-key that offers more protection, designer Miguel Caballero has this invisibly bulletproof polo shirt. The thin kevlar core has a linen covering on both sides, so that the shirt might be a bit heavier than normal, but it'll look and feel like a regular polo shirt. It comes in three colors (blue, red, white) and three levels of protection (9mm / .357, .357 Magnum / Mac 10 / 12 gauge, .44 Magnum / MP5).
The shirts are also waterproof and fireproof, and start at $12,000, but I bet if you're important enough to need one of these, 12 grand is probably chump change to spend on something that could save your life.
Source: ohgizmo.comAdded: 16 October 2008