Eyesports custom prescription insert can be utilised for some paintball goggles, so you no longer have to bend your every-day glasses by forcing them into paintball goggles. The insert features a large diameter lens, increasing field of view - perfect for those hard to see peripheral targets. The lenses are 100% impact resistant - which is essential for high-impact sports. Up your game with premium anti-fog lens coating by OptiFog. This coating, paired with the OptiFog activator cloth, reduces disabling fog, so you can play your best game.