The Patagonia Men's Size M Black 1/4-Zip Mock-Neck Pullover Baselayer Shirt is a versatile and comfortable activewear top suitable for casual, workwear, and outdoor activities like hiking, cycling, and running. Made from lightweight and breathable polyester fabric, this pullover features a solid black color with a logo accent, a mock neck with a zip closure, and a stand-up collar for added style. With a focus on nature and outdoor themes, this pullover is perfect for year-round wear in all seasons, offering a blend of comfort and performance for active men on the go.