TR90 - Corrosion resistant & sweat-proof making it able to withstand contact with water. 26g - Less pressure on the face, made for long-wear and comfort. 139mm Medium frame-length, sits...
Ultralight, light as feather as if not wearing glasses. Thin frames - Flexible, easily adjustable and not easily deformed. Medium to wide frame-length, sits nicely on the temples & complement...