Gorais Black Long Sleeve Shrugs Sparkly Rhinestone Bolero Jackets for Evening Dresses. Long sleeve shrug is the great shoulder cover up.It's nice if you want something over your shoulders. Lightweight and comfortable, with a good drape and no binding in the arms. Bolero hides any insecurities while adding a touch of elegance to your dress. In cool weather it would be an excellent choice. Lightweight and breathable. Black shrug is suitable for various formal occasions such as evenings, weddings, receptions, proms, etc.