Helmets for motorcyclists large size 3XL and 4XL. If the typical helmets 2XL sizes are too small you are for sure the helmet will fit. The helmet has a micro-type fastening buckle (buckle latch) with adjustable. Characteristics: helmet specially manufactured in large sizes attested shell made of a mixture of polycarbonate plastics for maximum protection for the head visor reflecting surface UV radiation, made of a scratch resistant ... read more.