Batwolf MOTO GP Frame Interchangeable Square O Icons Comfortable fit on medium to large faces via extended wrapped frame geometry Precision & durability of sculpturally integrated hinge mechanisms with dual action CAM Durability & all-day comfort of lightweight, stress-resistant O Matter® frame material Lens Optical precision & performance that meets ANSI Z87.1 standards Impact resistance that meets ANSI Z87.1 standards for high-mass & high-velocity impact. UV protection of Plutonite® lens material that filters out 100% of UVA/ UVB/ UVC& harmful blue light up to 400nm Glare reduction & tuned light transmission of Iridium® lens coating (optional) Additional pair of interchangeable Square O icons included POL = Polished POLR = Polarized IRD = Iridium