Derek Heart High Neck Sweater Vest. The Derek Heart High Neck Sweater Vest is the perfect mix of chic and cozy. This sleeveless vest features a stylish high neck that adds a touch of sophistication, while the metal button front closure gives it a sleek, polished look. This vest is both comfy and lightweight—ideal for layering over a blouse or wearing on its own. Whether you're dressing it up with a skirt or keeping it casual with jeans, this versatile piece is a must-have addition to your wardrobe. 50% Viscose 28% Polyester 22% Nylon. Machine wash. Imported.