This anti-fog visor is designed to protect your eyes from hockey sports impact. Combine this visor with a certified compatible helmet pursuant to CSA, CE and HECC certifications. For maximum protection, the CSA-HECC certified helmets should be free from cracks and fit securely in accordance with the helmet instructions. This visor is intended for use by persons older than 18 years of age, when playing hockey. Not for use by goalkeepers.