Naked or skimpily clad ?

[flynrider]

The shields in the pic are Nat. Cycle Deflector DX models. The wind blast starts at the lower edge of my full face helmet (I'm 5'8" with a 30" inseam), so 95% of the helmet is in clean air. It's not uncomfortable (for me) to have the helmet in the breeze on local rides of 300-400 miles.

For long road trips, the CB11 wears its winter shield, which is a larger Nat. Cycle Plexistar 2. With that shield, the wind blast starts at the very top of the helmet, so most of the head is in the protected area behind the shield. It also extends out to cover the grips. Very comfy on long hauls.

I think the key is to get something that will not direct the wind blast directly to the middle of the helmet, around the faceshield. That's what causes most of the noise and buffeting issues.

Here's a pic of the Plexistar 2 :