Mustard Seed black longline vest / sleeveless blazer — new with tags, never worn. Clean, structured silhouette with a deep V-neckline, single button closure, two welt pockets, and a full satin lining. Polished and versatile — wear it over a turtleneck, button-down, or dress. Elevated basics vibes with that quiet luxury edge. ✦ Brand: Mustard Seed ✦ Size: M ✦ Color: Black ✦ Style: Longline vest / sleeveless blazer ✦ Closure: Single button ✦ Lining: Full satin lining ✦ Condition: NWT — tags attached, never worn 📏 MEASUREMENTS (laid flat): • Length: ~31”