Knee-high boots: the ultimate low-effort, high-reward style staple. They're the shoes you reach for when you rock tights and a skirt this winter, or a secret weapon that elevates a simple outfit in ...

Editor's Note: APYs listed in this article are up-to-date as of the time of publication. They may fluctuate (up or down) as the Fed rate changes. CNBC Select will update as changes are made public.