The Mountains Sport Crew by Marine Layer is the perfect addition to your outdoor adventures. Made with a blend of polyester and spandex, this crewneck sweatshirt is both comfortable and durable. The fabric wicks away moisture and dries quickly, keeping you cool and dry during your hikes or runs. The Mountains Sport Crew also features a zippered chest pocket to keep your essentials safe and secure. With its sleek design and high-quality construction, this sweatshirt is sure to become a staple in your outdoor wardrobe.