Optical frame:
1. Feather Fit series: ultra-light frame series with a self-weight of no more than 10g, excellent flexibility and wearing feeling.
2. Layerd classic series: CARIN classic modern retro style frame series, the design is timeless and versatile.
3. Platform double shadow series: double-layer superimposed design of the frame, suitable for high-level lenses. A combination of beauty and practicality.
4. Forest entry series: cost-effective CARIN entry-level basic frame, simple design and high practicability.