12 years ago?
Go for a new helmet. Modern helmet are much lighter, lower-profile, breathable and warm.
Mine came with 3 different sizes of pads so I could customize the fit. It now feels not much different than wearing a hat.
I used to have the same opinion about helmets being uncomfortable, and wore a beanie most of the time, but that's because I used to have this crap ski racing helmet that made my head look- and feel- like a bowling ball! I never even notice the modern one I'm wearing now. It's a Giro Revolver. I also put my earphones in the ear pads, so now I can listen to music. Good shit!
Lib Tech makes a really low-profile helmet, and I think it's certified: