Marine Layer Spencer Sweater Polo. Size L. Sold out online. 100% cotton and amazingly soft. EUC. Behold, the vintage-inspired sweater polo of our dreams. This new style has a deep v-neck, elbow length sleeve, and is roomy enough so you won't feel restricted. Wear it with your favorite structured bottoms, sneakers, boots, you name it. It's everything we love, wrapped up into one.