HSTN SQ is built for every shift in mood and every move you make. This squared-off silhouette delivers a bold, modern look, while modular color accents and premium detailing tie it back to the iconic HSTN family. Engineered with performance in mind, the O-Matter frame provides lightweight durability and long-lasting flexibility, designed to maintain its shape through everyday wear. Unobtainium nosepads enhance grip as you move, increasing hold with perspiration to keep the frame securely in place without slipping. A balance of style and function—made to adapt wherever the day takes you.