Stay comfortable as you head out into nature with the Magellan Outdoors Men's Pro Explore Shirt Jacket. This shirt jacket is made with a nylon body and recycled seawool insulation that helps keep you toasty in cool temperatures, and its antimicrobial technology means you'll feel fresh well into a hike. Magellan Outdoors Men's Pro Explore Shirt Jacket Kalamata, Small - Men's Athletic Jackets at Academy Sports