Exclusively from Zamp... Photochromatic Shields! Go from bright to dark racing conditions without having to change shields. The new Z-20 Photochromatic Prism Shields smoothly transitions from clear prism to blue prism, gold prism, or red prism (or vice versa) depending on the brightness of the track, without having to change the shield! One shield works for Night or Day
• Zamp Z-20 Series Photochromatic Prism Helmet Shield
• Shield automatically transitions from clear prism at night to the prism color of your choice during the day
• Available in Photochromatic Blue Prism, Gold Prism or Red Prism
• 3 mm thickness
• 12.125" tear off post centers
• Fits Zamp helmets using Z-20 Series shields