The Arc'teryx Women's Atom LT Vest is a highly popular sleeveless waterproof vest known for its exceptional warmth and versatility. It is made with Arc'teryx's Coreloft synthetic insulation, which provides warmth even when wet. The vest features zippered hand pockets, a stand-up collar, and a drawcord hem for added convenience and protection. It is also lightweight and highly compressible, making it easy to pack and carry. Whether you're hiking, climbing, or traveling, this vest is a top choice for staying warm and protected in various weather conditions.