What are the rules on wearing sunglasses with the CAP uniform?
Conservative sunglasses may be worn with the AF style and CAP distinctive uniforms, except in military formation . Glasses must be free of ornamentation on frames and lenses. (faddish styles and mirrored lenses prohibited). Sunglass cases will not be worn exposed on the uniform.
Please see CAPM 39-1, para 6.3.1.2 for more information.