- A-line - Back zipper - Cold shoulder - Fully lined Fall in love with this double strap fit and flare mini dress by Mac Duggal. Made with 100% polyester. This dress's charming fit & flare cut offers fun, flirty vibes. It features double straps and a leg baring mini length. Pair it with heels and an updo for that upcoming special event. Concealed back zipper closure. Formal, cocktail, evening, prom, special occasion, wedding