When you need a layer but not a full jacket, call on the easy-wearing warmth of our sustainable men's shirt jackets. Made from eco-friendly materials like organic cotton and recycled polyester, these men's casual shirt jackets are as good for Mother Earth as they are at keeping you warm and comfortable. Wear them to the local brewery or a backyard BBQ, these lightweight men's shackets deliver an insulation punch. Easy to pack for a two day to two hundred day trip when you want to look effortlessly cool and stay reliably warm.