Ray-Ban Clubmaster Metal is a metal version of the iconic square frame. The metal frame and temples add an extra touch of sophistication to this style, while maintaining its vintage appeal. This unisex model comes in black on silver with grey gradient lenses and will add a twist to your look. PRODUCT INFORMATION STYLE RB3716 Clubmaster Metal MODEL CODE RB3716 900471 51-21 MADE IN Italy FRAME DETAILS COLOR Black MATERIAL Metal SQUARE Square LENS DETAILS COLOR Grey Gradient MATERIAL Crystal TECHNOLOGY Grey LENS PROTECTION INDEX 3N