STO454 — Women’s Sunglasses. The STO454 pair from Tous presents a geometric metal frame designed for everyday use and for dressier moments alike. Its shape fuses fashion with practicality, making it a standout choice for outdoor activities where a bold accessory is desired. The Barcelona-based brand deposits its signature approachable femininity and precise detailing into these frames. Measurements: 55-19-135. The lenses are 55 mm in diameter, the bridge spans 19 mm, and the temples measure 135 mm. A 55 mm lens size tends to flatter oval, round, and heart-shaped faces. Build and lenses: The angular silhouette places unconventional angles at the forefront, turning the eyewear into the focal point of any look. Lens tech provides UV400 protection, blocking 100% of UVA and UVB rays. With a Category 3 tint, they are well suited for driving and high-intensity outdoor sun exposure.