The Mast from Tifosi has a grilamid TR-90 frame that has an extremely high alternative bending strength, low density, and high resistance to chemical and UV damage. Ideal for medium to large faces it also has adjustable ear pieces for a custom fit and hydrophillic rubber ear and nose pieces for a clean, no-slip fit.

These glasses have an interchangeable option for the lenses. This pair has the GT lens option only.

Includes case.