ESS Modular Technology™ allows all lenses to be quickly and inexpensively interchanged. ICE NARO™ Eyeshield replacement lenses are available in Clear, Smoke Gray, Hi-Def Yellow, and Hi-Def Copper. Note on Size: These lenses are not compatible with the larger ICE 2.4™ eyeshield. Please double-check your eyeshield model before ordering. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.