Shield for Alpinestars Helmets. Features Dark tinted for daytime use only Shield is prepared for mounting Pin Lock Anti-Fog lens Shield offers protection from UV rays & is protected by an anti-scratch coating on the outside & anti-fog coating inside Easy to change Light Tinted with a visual light transmission (VLT) value of 60-64%, perfect for use on for hazy afternoons. Tinted lens are designed to be worn during the day & help to reduce sunlight & glare during daylight hours, as well as enhance visibility, & reduce eye strain. Tinted shields should never be worn at dusk, early morning hours, or with poor lighting conditions. Dark Tinted with a visual light transmission (VLT) value of 24-30%, perfect for use on bright sunny days. Tinted lens are designed to be worn during the day & help to reduce sunlight & glare during daylight hours, as well as enhance visibility, & reduce eye strain. Tinted shields should never be worn at dusk, early morning hours, or with poor lighti...