Advanced Polycarbonate Compound :By blending high-grade polycarbonate with high impact strength and ABS in an optimalratio, HJC has developed a shell that is both strong and impact-resistant while maintaining a lightweight design.Wind tunnel-tested. VENTILATION “ACS” Advanced Channeling Ventilation System:Full front-to-back airflow flushes heat and humidity out of the helmet. PEAKOptimized peak visor has been wind tunnel tested and fine-tuned using advanced CFD(Computational Fluid Dynamics) programs. It provides maximum stability and reduced drag, even at high speeds. VISORPinlock Ready HJ-44 Visor: Provides 99% UV protection, Anti-Scratch coatedDISTORTION FREE VISOR(SHIELD) SUNSHIELDBlack Dark Smoke installed INTERIORMoisture wicking fabric3D contour cheek pads for comfortCrown and Cheek pads: Removable and washableCheek pads: interchangeable throughout all sizesChinstrap: Micro buckleGlasses Grooves accomodates riders with eyewear OTHERS Included Parts: PINLOCK, CHIN CURTAIN(installed)Standard: DOT