Miata Coupe Detachable Hardtop - Designed for Simpson Design&Development. Features: fiberglass hardtop with rear quarter side windows for greater visibility, roof rain channels, and hidden rear mounting points. Designed to give both the 1st and 2nd generation MX-5 Miatas a clean, sleek, coupe-like look while addressing inherent functional problems with the original Mazda factory hardtop design.