A shade that is removably attachable to a bill of a hat has a pocket member that has a pocket formed therein. The bill of the hat is received within the pocket and is friction held therein, with or without the assistance of optional clips. A glare shielding extension downwardly depends from the outer periphery of the body member so that the extension is positioned in the line of sight of a user when wearing the hat in normal fashion. The extension may be opaque or may have at least a portion thereof that is an optical portion.