The Cast is a six-base wrap frame that sits across the face of the wearer. It offers ample side-light protection and is lightweight making it extremely comfortable.nFrame Colour Matte BlackLens Material GlassLens Colour RosePhotochromic NoHigh Definition High DefinitionAvailable in Prescription YesMirror Coating Green MirrorInfra Red Filter YesProduct Weight + – 40 gFace Fit Medium – LargeAnti-Reflective Coating YesHydrophobic Coating YesOleophobic Coating Yes