Sweaters are basically the most crucial buy of winter, but amassing them can be tricky. Your bill will add up quickly, even if your major destination isn't Barneys. With that in mind, we scoured the Internet for 10 really great sweaters, all at a decidedly attainable price point: under $100. If you grab a few (from well-made basic to novelty to innovative), you should still have some cash left over to last you until your next pay day—looking good, at that. Click through for 10 great picks.