The Frame:
Pro Line Circuit Flex
Pro Line frames feature:
- Hardside fitted carrying case
- Metalcore flex temples for easy adjustment
- Microfiber cleaning cloth
- Head strap
Color: Red, Matte Graphite
6 Base Sizing: 54-22 Measurements: A Box: 54 B Box 32 ED 57 DBL 22
8 Base Sizing: 64-22 Measurements: A Box: 64 B Box 37 ED 66 DBL 22
- A Box is the horizontal measurement of the lens opening.
- B Box is the vertical measurement of the lens opening.
- ED is the longest measurement of the lens opening, usually on a diagonal from the upper nasal to the lower temporal.
- DBL is the horizontal measurement across the bridge (over the nose) of the frame.