TROIS Karen Mini Dress Size 0. New with tags. $125 on website. Meet the Karen mini dress, named after 90's bombshell Karen Mulder. Made out of the softest modal fabric and featuring extra long sleeves and fitted body, you will find your self not only comfortable but very chic. If you were a fan of the Mulder Dress then you will love the Karen. Black - 90% Viscose / 10% Spandex.