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The Serta Total Support is a 3-inch memory foam mattress topper meant to soften a too-firm mattress or add pressure relief without replacing the bed. The California King size measures 74 by 78 inches, so check your mattress dimensions before ordering. Its best new price is $124.79 at Kohl's as of November 7, 2026, and only one store currently lists it new, so there is little price competition to shop around.
In stock
Lowest price we've seen: $124.79 on Nov 7 at Kohl's. Tracked across 1 store since Nov 7.
Owner feedback on Serta's 3-inch memory foam toppers is generally positive on comfort, with most saying it softens a hard mattress and eases pressure on hips and shoulders. Complaints center on heat retention and gradual flattening.