What Our Gearhead® Experts Are Saying: "This is one of my favorite throw-on-and-go layers. The Cloud 9 fabric is super soft, and the half zip gives it a bit of structure. I wear it for everything from coffee runs to road trips." The Marine Layer Cloud 9 Half Zip Sweatshirt is one of those pieces we keep by the door because it’s perfect for just about anything. Made from their signature Cloud 9 fabric, it wraps us in a buttery soft cotton blend that delivers warmth without weight. With a clean half-zip placket and ribbed trim, it balances laid-back comfort with a touch of polish—ideal for layering over activewear or dressing up denim. Whether it’s a chilly morning walk or an impromptu weekend drive, this sweatshirt makes comfort feel a little more styled.