i have a little boy, and i LOVE dressing him up !! i got a free magazine sent to my house from GWlittle.com . in one of the magazines, they have a whole page of biker stuff (goggles, helmet, leather jacket, and harness !) there's even a shirt that says "beware of bada** " :] . GWlittle has a lot of cute stuff (even some for boys!) . check out their website
good luckk!