Pure FAQ
What is Pure Airlock?
Marchon's rimless and semi-rimless line: titanium temples, small clean lens shapes, almost no weight on the nose.
Is rimless right for my prescription?
Under about -3.00, yes, and it looks like nothing is on your face. Stronger than that and the lens edge shows. We drill Airlock lenses in Trivex or polycarbonate because standard plastic cracks at the mounting holes.
Are all Pure frames rimless?
The Airlock line is rimless and semi-rimless; Pure also makes a few full-rim metals. Sizes run 52 to 53, medium. Part of the range is remaining stock.




















































































