You can't go wrong with a crewneck sweatshirt, the close cousin of the hoodie. Crewnecks are great for layering, as well as a stand-alone piece when its not too cold outside. Sure, your ratty old Champion one still keeps you warm on morning jogs and trips to the gym on brisk mornings, but you should also have a couple for throwing on over a button down or rocking under a jean jacket. Thank goodness we're here to help you. Click through our list of The Best Sweatshirts Available Now.