MiuMiu Black Silver Frame Avant-Garde Sunglasses. The Miu Miu Black Silver Frame Avant-Garde Sunglasses are a striking accessory that perfectly captures the brand's eclectic and playful approach to fashion. Known for its youthful, bold designs, Miu Miu often pushes the boundaries with statement pieces that combine retro inspirations with contemporary twists, and these sunglasses are no exception. They come with their original case. Still in a very great overall condition. Fits great for a women.