NWOT Weston Wear double layer knit racer back top blue S

Never worn. Racer back, scoop neck knit top. The top layer is mesh. There’s no fiber/care tag, but I think the inner layer is rayon and the outer layer is nylon or possibly polyester. The mannequin’s measurements are 34/26/36, with a B cup. In excellent never worn condition. From a smoke free and pet free home.