 | Ray-Ban Phil Bio-based Transitions® Sunglasses Transparent Frame Clear Lenses 54-21. Ray-Ban Phil Bio-Based Transitions® sunglasses are perfect for those who want to make a stylish statement. The square shape and transparent frame color add a modern touch, while the lenses provide optimal sun protection. The light-responsive frame is made with photochromic dyes that activate in seconds under UV. The pigments change to reveal unique markings, and as the light gets stronger, so does the pattern.... - Ray-Ban Phil Bio-based Transitions® Sunglasses Transparent Frame Clear Lenses 54-21. |