White House Black Market Double-Breasted Trench Dress Size 14 Like new. Worn twice. Featuring all the trench requirements, this double-breasted design is the definition of versatility. It’s the quintessential longline vest when worn over our sumptuous sweater tank and skinnies. As a dress, cinch the self-belt and add in statement earrings and metallic sandals! Material: Shell 55% linen, 42% rayon, 3% spandex, Lining 100% polyester