Buffs are Cartier glasses, a popular style of vintage sunglasses, that are known for their buffalo horn frames. The term "buffs" refers to the material used in some of the glasses' arms Buffs are a cultural staple in Detroit, where they are often worn to mark special occasions and passed down through generations. They are also a symbol of the city's culture, history, and resilience. These eyeglasses are authentic I have the authentication that will be sent upon purchase