The North Face Women's Aconcagua Vest is another top choice for women's sleeveless lightweight safety packable activewear vest. This vest is made from a blend of nylon and polyester, providing both durability and comfort. It features a zip-in-compatible integration with complementing garments from The North Face, allowing for versatile layering options. The Aconcagua Vest also has a secure-zip hand pocket and an internal chest pocket for convenient storage. With its sleek design and reliable performance, it's no surprise that this vest is a best seller on Amazon.