Vince Silk Mock Neck Blouse Blue Size XS. Crafted from luminous silk satin, an easy-fitting blouse with a mock-neck collar and abbreviated sleeves elevates any look. A back vent enhances the boxy cut. * Mock neckline * 3/4-sleeve * Snap button closure behind neck * Relaxed silhouette * Slipover style * 100% silk * Dry Clean