An extension of the popular Oakley Actuator sunglass, Actuator SQ expands on the style a larger square lens shape. Featuring an adjustable wire core temple and O Matter? frame material, this sunglass delivers comfort and durability, wherever your path may take you. The Unobtainium nosepad with an anti-bobbing bridge design provide a solid no-slip grip that keeps the frame in place for any activity level. For enhanced color and contrast everywhere you go, Prizm? Lens Technology provides the details. FRAME LENSES Size: L (137mm) Sold in one unique size Lens Height 46.1 mm Frame Width 136.8 mm Arm Length 146 mm Lens Width 57 mm Bridge Width 16 mm Measurements listed are intended for customer use only. Not intended to be used by opticians to fill prescriptions.