Sleeveless Crewneck Bubble Top Madewell Sleeveless Mock Neck Top Mock Neck Ruched Sleeveless Top in Navy Retro, Indie and Unique Fashion Sleeveless Mock Neck Tops Bloomingdale's. Chic and statement making, this mock neck sleeveless bubble top brings a modern edge to your wardrobe. Designed with a structured mock neckline and subtle shoulder coverage, it features a relaxed bubble silhouette that cinches at the waist for a flattering shape. Lightweight and fully lined for comfort, it offers a true to size fit with an easy, airy feel. Perfect for brunch, vacations, summer events, or styled as a matching set for a polished look. Details: Mock neckline Sleeveless design Bubble hem silhouette Elastic waist detail Lightweight feel Fully lined True to size Self: 100% Polyester Lining: 100% Polyester