Serta offers several mattress types, including memory foam, innerspring and hybrid, and sizes from twin to California king. Serta also sells pillows, sheets, crib mattresses and pet beds.

INDULGE IN A WORLD OF DEEP SLEEP - Elevate your bedding with the Serta Memory Flex Soft Mattress Topper, which brings 2 inches of pillowtop fluffiness and an extra layer of protection to your bed.

4. Best Budget: Serta ThermaGel Memory Foam Mattress Topper If you’re looking to save a few bucks on your twin XL mattress ...