The Arc'teryx Women's Atom LT Vest is a highly rated sleeveless windproof vest that offers exceptional performance and versatility. Made from a combination of nylon and polyester, this vest is not only windproof but also water-resistant, making it ideal for various outdoor activities. It features a full zip closure, two zippered hand pockets, and a high collar for added warmth. The Atom LT Vest also has a slim fit design, making it flattering and stylish. With its durable construction and functional design, it's no surprise that this vest is a favorite among outdoor enthusiasts.