Alexander Wang Billie Flat in Black. - size 36.5 (also in 37, 37.5, 38, 38.5, 39, 40) Alexander Wang Billie Flat in Black. - size 36.5 (also in 37, 37.5, 38, 38.5, 39, 40) Leather upper with leather sole. Made in China. Slip-on styling. Leather footbed and lining. Square toe with logo trim. AWAR-WZ156. 30224F030. Alexander Wang adds measured depth to his signature tough-sexy pieces using a sultry scarlet and feminine blush alongside his favorite black and grey hues. Expect luxe hybrids of your favorite outerwear as well as layers, chunky knits, and sleek satins in this collection. Shop the latest in fashion from Alexander Wang