Performance Technologies: In-Game, On-Field Approved Oakley PLUTONITE® blocks 100% of all UVA, UVB, UVC and harmful blue light up to 400nm Patented High Definition Optics® (HDO® ) provides superior optical clarity and razor-sharp vision at every angle and eliminates shield distortion Coated with AFR lens treatment for anti-fog performance and improved scratch resistance Injection molded to shape the shield with a unique curvature that maintains clarity at all angles of vision, even at the sides, so peripheral view is always optimized Additional Details: HELMET COMPATIBILITY WARNING: Product not intended for youth helmets. Compatibility with adult helmets not guaranteed. Please check with your helmet manufacturer for recommended compatible shields. Not compatible with all helmets. Not recommended for Riddell Speedflex or Riddell Speedflex Precision helmets. USAGE WARNING: Prior to purchase, please check with your coach/staff/league to determine if shield use is permitted. Typically, colored shields are allowed for pratice, pre-game and non-league games but require coach/staff/league approval for any football activity. Non-colored shields have been allowed in leagues across the country, but rule interpretations vary league by league, country by country. Colored shields may impair on-field injury assessment by medical personnel. WARRANTY WARNING: Avoid bending shield out of shape when installing, this could damage shield and lead to injury. Any shield damaged by user during install will void warranty. Any shield modified to fit/attach to a helmet or cage will void warranty. Used shields, or any shield mounted to a helmet is not eligible for return or refund. Damage/peeling/cracking/flaking of the iridium coating caused by normal wear and tear is not covered by warranty.