Blue Crush Fresh, sparkling and full of playful glamour, Blue Crush pairs icy translucent tones with bold geometric lines for a look that feels equal parts retro futurism and poolside chic. Made for sunshine, compliments and standing out effortlessly. Size Medium(54☐19-145) 54 - lens width, measured in millimeters (mm). Each lens from side to side. 19 – bridge width, measured in millimeters (mm). This is the distance between the two lenses, or the part that rests on your nose. 145 - temple length, also measured in millimeters (mm). It refers to the length of the arms (or "temples") of the glasses, which extend from the lenses to the ear. Weight 36g Frame Material Acetate Rim Type Full rim Frame Shape Square Frame Colour Translucent Blue,Yellow Spring Hinge No Lens Demo Lenses