A vehicle seat includes a seat base having a side bolster cover. A bolster is disposed under the side bolster cover. The bolster has a static bolster carrier and an operable portion that is operable relative to the bolster carrier to define a plurality of bolster positions. A flexible interior facing extends from the bolster carrier to an intermediate portion of the bolster cover, wherein a lower edge of the bolster cover is positioned below the bolster carrier such that the bolster cover conceals the bolster in each of the plurality of bolster positions.