HJC Helmets HJ-09 Cirolux Clear Snow Full Face Dual Lens Shield - One Size Dual lens shields are designed for snowmobile applications allowing a controlled ventilation of cold air. Fits AC-12, CL-15, CL-16, CL-SP (Ninja Zx &amp; ZxsP), CS-R1, CS-R2, FS-10, FS-15 (Fiberglass, Carbon &amp; Air), IS-16, RKT-Prime and RKT-101/201 helmets.