Aritzia Dress Forum Los Angeles Black Ribbed Midi Dress Front Faux Button Front Slit Preowned. Some light normal wear, no major issues noted. Size: Medium Underarm-to-underarm: 14.5" Length: 47" Front Slit: 15" Measurements are approximate and taken flat. 70% Rayon/25% Polyester/5% Spandex Style FD2965 ITEM 0941 ribbed, black, neutral, midi, trendy, classic, summer, sleek