Oakley HSTN SQ Sunglasses pair a squared-off silhouette with durable O-Matter construction and Oakley Prizm lens options for enhanced contrast and everyday wear. Key attributes: Gray | Grigio | O-Matter | Prizm lens technology | Polarized lens options | Anti-reflective treatment | Durable, flexible frame | Universal-fit nosepad | Prescription-lens compatible | Lightweight construction | Square frame | Metal temple accents | Squared-off silhouette | Dimensions & fit: Lens width: 54 mm | Bridge: 21 mm | Temple length: 142 mm | Frame width: 133 mm | Regular - universal fit | Size: L (133 mm) | Composition & care: O-Matter frame | Prizm lens