Show your love for the Windy City and the Bulls with this style inspired by the Chicago city flag. The blue extended fit frame with white interior is made of lightweight TR90 plastic and is fitted with spring hinges for added comfort. The look comes with an exclusive case and lens cloth. Represent the Chi! To purchase the mirrored tint as shown above click SELECT LENSES > NON-PERSCRIPTION > SUNGLASSES > CLASSIC > 1.50 Basic Index > Classic Mirror Tints > Sky Blue | Zenni Square Prescription Glasses Blue TR Full Rim Frame