Oakley HSTN SQ Optical Frame combines a squared silhouette with Oakley’s durable O‑Matter construction. Designed for everyday prescription wear, it balances bold styling with comfortable, non-slip nosepads. Key attributes: Gray | Trasparente | O-Matter | Durable, flexible frame | Designed to resist deformation over time | Unobtainium nosepads for improved grip | Prescription-ready frame | Squared silhouette | Modular color detailing | Laser-etched Oakley logo | Dimensions & fit: Size: M (130 mm) | Narrow fit — universal fit | Composition & care: O-Matter frame | Unobtainium nosepads | Clean lenses and frame with a microfiber cloth; avoid harsh chemicals and solvents; store in a protective case when not in use.