Enhance your helmet's functionality with this versatile helmet visor lens, designed to fit most helmets with three snap fasteners. Crafted from high-quality PC lens material, this visor offers excellent optical clarity, superior light transmittance, and reliable UV protection, meeting stringent EU and Japanese JIS standards to ensure safety and comfort during use. Key Features: · Universal Fit: One size fits all helmets equipped with three snap fasteners, including various half helmets and 3/4 helmets, providing broad compatibility. · Adjustable Snap Design: Features a fixed middle snap and four grooved snaps on both sides that slide approximately 3cm, allowing easy adjustments to securely fit helmets of different sizes and styles. · Premium PC Lens Material: Delivers high durability, impact resistance, and excellent optical performance for clear vision and long-lasting use. · Certified Optical Quality: Complies with EU optical refractive index requirements and Japanese JIS standards, ensuring accurate vision correction and effective UV protection. · UV Protection: Shields your eyes from harmful ultraviolet rays, enhancing comfort and safety on the road or trail. Specifications: · Material: PC Lens · Snap Configuration: One fixed middle snap with four sliding side snaps (~3cm sliding space) · Compatibility: Helmets with three snap fasteners, including half and 3/4 helmets Package Includes: · 1 x Helmet Visor Lens This helmet visor lens combines adjustable fit, certified optical quality, and UV protection to provide a reliable and comfortable upgrade for your helmet, perfect for riders seeking enhanced eye protection and visual clarity.