Does anyone know of any full face scooter helmets that will fit under the leather seat cushion storage area?

Question

I will probably need a large size

Answer 1

try   5x5  helmet  

Answer 2

All full coverage helmets tend to have similar outside dimensions for a given size.  It is the size of the head that drives the size of the helmet .  There might be some very inexpensive helmets that do not meet safety standards that are smaller, but generally they are very similar in size.

Answer 3

You need to enlighten the readers as to what the seat is attached to. Only the mega scooters will conceal a fullface helmet under the seat. You'll notice that most scooter riders add a carry box to the luggage rack. Now you know why.        The question was meant to get you to state which scooter you own. Duh!