Even its box is an origami masterpiece; opening without tape or staples to reveal your new helmet in its storage bag complete with stickers and instructions (plus even some visor lubricant!).
The Arai XD-4 Motocross Helmet features an intermediate oval interior head shape similar to those seen on Arai Signet Q, Corsair V, RX-Q and Vector 2 helmets. https://michaelbrodiehelmetelover.blogspot.com/2024/10/top-4-female-motorcycle-helmets.html