An article of footwear having a heel system is disclosed. The heel system may include a medial heel member and a lateral heel member. The medial heel member and the lateral heel member may be disposed on a sole structure. The medial heel member may have a first rigidity and the lateral heel member may have a second rigidity that is different from the first rigidity. The difference in rigidity may provide different levels of support to a wearer's heel region. The medial heel member may extend from a medial edge of the sole structure to a rearward edge of the sole structure. The lateral heel member may extend from a lateral edge of the sole structure to the rearward edge of the sole structure.