Spanx Low Maintenance Silk Button Down in Gray Size Women’s: XS Excellent condition Approx measurements: Underarm to underarm:18” Length: 24.4”-26” Spanx opaque silk shirt! Designed with Bombyx eco-conscious silk and completely at-home washable, this button-down is zero fuss Relaxed fit Double layered panel at chest for opacity Designed with Bombyx silk (a leader in clean silk production) Pertect rear coverage 100% Silk. Machine Wash Cold, Gentle Cycle.