- TR-90 Grilamid frame
- plastic lens
- non-polarized
- Lens width: 46 millimeters
- Lens height: 29 millimeters
- Bridge: 17 millimeters
- Arm: 137 millimeters
Made of TR-90 Grilamid from Switzerland, theses fabulous readers are unbelievably light weight and durable. TR-90 is a memory polymer that can be bent and twisted and always return to its original shape. There are many great colors for men and women and 17 powers to choose from.