The Arc'teryx Women's Atom LT Vest is a top-rated sleeveless windproof convertible packable activewear vest on Amazon. This vest is made from a blend of nylon and polyester, providing excellent windproof protection and breathability. It features a full zip closure, two zippered hand pockets, and a stand-up collar for added comfort. The vest is also packable, making it easy to take with you on your outdoor adventures. With its stylish design and high-performance materials, it's no surprise that this vest is highly rated by customers.