The Columbia Men's Tunnel Falls Interchange Jacket in Stone Green, size M, is a versatile 3-in-1 jacket perfect for fall weather. Made with a soft nylon outer shell and lining, this jacket offers both warmth and durability. The interchange feature allows for customizable insulation, making it suitable for a range of temperatures. With the Columbia brand known for quality outdoor gear, this jacket is a reliable choice for outdoor activities in the fall season.