The Marmot Men's Mammoth Down Jacket is a high-performance jacket designed for extreme cold weather conditions. It is made with a durable and water-resistant ripstop fabric and filled with 700-fill power goose down insulation, providing exceptional warmth and protection against the elements. The jacket also features a removable hood, an adjustable hem, and a dual-zip front, giving you maximum versatility and protection. The jacket's down insulation is also treated with Marmot's Down Defender technology to resist moisture, ensuring that you stay warm even in wet conditions. The jacket also has multiple pockets including internal pockets, allowing you to store your essentials. The Marmot Men's Mammoth Down Jacket is a reliable and durable jacket that will keep you warm and protected in the coldest of temperatures.