If the hot head is a problem in the integral helmet, i advise you to get helmet like mine: Caberg Ego, It's getting hot in these parts (around 30 degrees celsius, and having my helmet open on the top, it's a real (h)air conditioner
http://www.webbikeworld.com/r2/motorcyc ... review.htm
Don't want to praise my good just cause i have it, but praise it, cause it's real 'cool' helmet to have on a geezer...