S-645T series is Four Nines' basic category that reaches to the majority. The ideal frame balance generated by the flow from the simple metal front to Gyaku-R hinge to the plastic temple conveys an astonishing style that adapts to any life scenes. The craftmanship found on detailing and precision such as drawing off-set lines on the temple core part portrays uncompromising quality which continues to attract people.
An attractive front design with a simple style.
The polygonal lens shape enhances its solid impression over its sophisticated front design of square and crownpant. The simple look is easy to adopt for any scenes, which is a standard style that fits many people.
Bridge part that exhibits a three-dimensional style and stability.
A single-mount bridge ensures durability with improved welding portion given from two dimensions. It achieves a high intensity and an outstanding comfort. The bridge design that produces three-dimensional effect while drawing streamlined curves expresses both simple yet rich impression.
Functionality of Gyaku-R hinges accentuated in elaborate style.
Four Nines symbolic functional parts, Gyaku-R hinges, are applied to generate stable comfort in wearing. The ability to withstand stresses from all directions when taking off glasses helps generate the stability of wear throughout the frame. The functionality of Gyaku-R hinges becomes more pronounced in achieving an ideal frame balance.
Plastic temples that create a superior expression.
Well-rounded impression is generated from the perfect blend of metal based front and the plastic temple. Viewing the temple core part from the temple edges, it accentuates the presence of Gyaku-R parts and the unity of connecting the front part to the temples. Slits applied on the internal face of the temple provides more stability and comfort in wearing.