Fox Racing Main Adult Replacement Lens MotoX/Off-Road/Dirt Bike Motorcycle Eyewear Accessories - Red Spark/One Size For four decades, Fox Head, Inc. has been a global leader in the action sports industry producing dynamic designs. The Fox Head logo is recognized as a brand synonymous with quality and innovation, while remaining true to MX. Replacement lens for the Fox Main Goggles. Lexan&#174; lens offers 100% UV protection.