Earbud Earplugs

I ride a motorcycle, and as fellow motorcyclist will know, wind noise reaches hearing damaging levels. Many wear foam earplugs but this blocks out too much, I noticed that earbuds, block the wind but let most other things through almost unhindered, like car horns. Wearing earbuds is illegal, wearing earplugs is not, having a helmet audio system is not. So after installing a helmet intercom/audio system, I wanted the protection of earbuds without the cord.
I came up with these, they accept sk