This combination frame in a Boston shape features titanium hinge parts that add a sense of richness to the design. The special spring mechanism, combining elastic material cores with the hinge parts, provides a light wearing experience, merging luxury and functionality in this model.

- Combination frame in Boston shape.
- Titanium hinge parts for added richness.
- Special spring mechanism with elastic cores.
- Lightweight and comfortable to wear.
- Blends luxury and functionality.