Model specifications
| Model | Lens | Light Transmission(VLT) |
| S | Sigma Sky Blue | 18 - 8% |
| M | - | - |
Specifications
Ventilation system:
Active
Fitting system:
Dial Wheel
Extra Features:
Removable liner, Washable liner, EPS4D
Size adjustable:
Yes
Certifications:
CE, ASTM 2040-11
Changeable Lens:
Yes
Gender:
Man, Woman
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