Polycarbonate Imported EASYCLIP SYSTEM: Features the innovative tool-free attachment system that clips directly into the side inserts of Petzl VERTEX and STRATO helmets (2019+ models). IMPACT PROTECTION: Certified to ANSI Z87.1 and CE EN 166 standards to protect eyes from projectile hazards and dust while preserving peripheral vision. PIVOTING DESIGN: Smoothly moves from the active position shielding the eyes to the storage position on top of the helmet, eliminating the need to remove the helmet. SUPERIOR COATINGS: Treated with high-quality anti-scratch and anti-fog coatings to ensure clear vision in difficult weather or humid environments. GLASSES FRIENDLY: Designed with sufficient internal volume to allow the user to comfortably wear corrective eyeglasses or safety spectacles underneath.