The Lululemon Navigation Down Vest in size Medium is a stylish and functional puffer jacket perfect for outdoor activities in winter, fall, and spring. Made with a durable nylon outer shell and lined with warm down insulation, this vest provides lightweight warmth with a stand-up collar and zip closure. The black color and solid pattern make it versatile for casual wear or travel, while the logo accents add a touch of style. Perfect for gym training, walking, golf, hiking, and more, this vest is machine washable for easy care.