What type gear are you looking for?
Just keep adding armor until he looks like an short NFL linebacker.
This is a great idea, as they will have the correct sizes to fit him. Lots of choices.Motocross gear.
i gotta agree with this one. they will have everything his size.Motocross gear.
Mad respect to you for being concerned about this.:thumbsup
Lot's of folks just stick a cheap lid on on the kids noggin and away they go.
Thats why they make Bungee cords. :thumbsupmain problem is they fall to sleep - friend had his 9 yr old went to sleep on freeway he looked back noticed his helmet was just about to scrape on pavement - he grabbed was just able to keep him off ground and get the bike to a stop. he tells the story to everyone.