**Product Specifications:**
**Brand:** TOS
**Official Direct Sales:** TOS brand products are sold directly by the official store.
**New Product Release:** GONTERMANTORS collaboration for the GM series sunglasses.
**Frame Material:** PC Board Mirror Frame
**Frame Design:** Lightweight with metal rivets for a touch of personality.
**Logo:** Standard version has no "GONTER MAN NTORS" logo on the right temple, while the collaboration version features the logo.
**Craftsmanship:** High-end metal stamping process to showcase brand charm.
**Sunglasses Brand:** TOS
**Product Information:**
- **Model:** GM2023
- **Lens Material:** TAC polarized lenses
- **Frame Material:** Randomly shipped PC board, PC, TR
- **Lens Function:** Sun protection, UVA/UVB protection
**Frame Parameters:**
- **GMDR17:** Total width 147mm, lens width 63mm, lens height 58mm, bridge width 20mm, temple length 149mm
- **GMHE:** Total width 148mm, lens width 63mm, lens height 59mm, bridge width 20mm, temple length 149mm
**Other Series:** Bears, Moon, FLDA, SL, MYM, SOL
**Suitable for Face Shapes:** Round, Oval, Square, Heart, Diamond
**Features:** 145° twist-resistant design, metal decorations, elastic jelly nose pads, piano paint baking process, composite nylon lenses
**Lens Technology:** TAC material for high light transmission, UV400 protection, polarized lenses
**Additional Information:** Handcrafted frame sizes may vary slightly within 1-3mm.
**Quality Assurance:** 7-day return policy, 1-year warranty against manufacturing defects.
**Company Background:** TOS brand established in the early 21st century, specializing in high-quality eyewear products with a focus on innovation and technology.
**Retail Locations:** TOS brand products are available at TOS stores, TOS Pop-Up Stores in Europe, and S01 stores.