Calm 10" Pocketed Hybrid Mattress Unlock endless opportunities for rejuvenating slumber with this hybrid innerspring mattress. Experience the perfect combination of cooling gel-infused memory foam for pressure relief and body contouring pocketed coils for premium support. Delight in the indulgent comfort of high-density quilt foam. Mattress Highlights: Comfort level: medium 10" profile height High-density quilt foam High-density gel memory foam lumbar support Individual power-packed wrapped coils 2 perimeter rows of 9" 13-gauge pocketed coils for edge-to-edge support Flame-retardant polyester comfort fiber Adjustable base compatible 10-year warranty Foundation/box spring sold separately Twin Mattress 37" W x 74" D x 10" H Full Mattress 52" W x 74" D x 10" H Queen Mattress 59" W x 74" D x 10" H King Mattress 75" W x 79" D x 10" H