Model 613 & 643 - MX Lens - Polarized
The lense is made of an optical Lexan material which is durable, impact resistant, 100% UV protected, and can fit the Summit, Impact, and All Sport Series Goggles.. The lens comes with an anti-fog treatment and an Iridium lens coating for accurate Light Transmission. Light Transmission: 15%-20%. Good for Sunny Days.
The L/XL is larger by .08” x .79” vertically which will increase your field of view and improve your peripheral vision while wearing the goggles.