Oakley Batwolf sunglasses. Interchangeable square O icons. Comfortable fit on medium to large faces via extended wrapped frame geometry. Precision and durability of sculpturally integrated hinge mechanisms with dual action CAM. Durability and all day comfort of lightweight, stress-resistant O matter frame material. Optical precision and performance that meets all ANSI Z87.1 standards. Impact resistance meets all ANSI Z87.1 standards for high-mass and high-velocity impact. UV protection of plutonite lens material that filters out 100% of UV and harmful blue light up to 400nm. Additional pair of interchangeable Square O icons included. Made in USA.