The Fox Airspace/Main II Dual-Pane Pre-Moulded Goggle Lens is packed with features... Specifications Include: 8 Pin Lens Retention System keeps the lens securely attached to the frame Dual-pane pre-moulded polycarbonate lens offers 100% UVA and UVB protection VLS (Variable Lens System) Design - For use with Fox Racing Airspace II and Main II goggles Genuine Fox Racing replacement part