Serta Perfect Sleeper Brightmore Super Pillow Top King-size Mattress Set

by Serta
Sale Starts at$101998
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ITEM# 21739234
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      Included Warranty: 10 year Limited Manufacturer
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    ITEM#: 21739234

    Comfort Guaranteed

    The Brightmore Super Pillow Top mattress features Serta's Cool Action Gel Memory Foam and premium Custom Support Firm Individually Wrapped Coil Innerspring. It is designed with a unique set of features to help solve 5 common sleep problems:

    1. Helps reduce tossing and turning with Cool Action Gel Memory Foam
    2. Encourages proper back support and alignment with Serta's Custom Support Firm Individually Wrapped Coil Innerspring
    3. Promotes a balanced sleep temperature with an overall mattress design that helps promote airflow
    4. Minimizes impact from partner movement with a premium support system and advanced foams designed for motion isolation
    5. Resists sagging and edge roll-off with Serta's ComfortLast Construction and Best Edge Foam Encasement

    This mattress also features Serta's Comfort XD Foam and Serta's new Balanced Support Foam for that just right combination of cushioning comfort and enhanced support.

    • Size: King
    • Set includes Pillow Top mattress and foundation
    • Coil Count: 1099
    • Cool Action Gel memory foam helps reduce tossing and turning
    • Thickness: 14 Inch
    • Mattress Type: Innerspring, Pocketed Coil Spring, Sets
    • Support: Medium, Ultra Plush, Plush, Firm
    • All Serta foam has been certified by CertiPur and is tested by each of our suppliers to be:
    • Low emission (VOCs) for indoor air quality
    • Made without prohibited phthalates
    • Made without ozone depleters (no CFCs)
    • Made without mercury, lead or heavy metals
    • Made without formaldehyde
    • Made without PBDEs
    • Resistant to dust mites, naturally antimicrobial
    • Temperature-smart memory foam responds to body heat and movement, reshaping to distribute body weight and relieve pressure points to improve circulation
    • Never needs turning

    • Mattress: 14.5 inches high x 75 inches wide x 80 inches long
    • Foundation/box-spring: 2 pieces 6 (low-profile) or 9 (regular) inches high x 37.5 inches wide x 80 inches long
    • Overall set: 20.5 or 23.5 inches high x 75 inches wide x 80 inches long

    This product will ship to you in multiple boxes.

    White Glove Mattress deliveries require a 4-hour window to complete delivery; this includes carrying the mattress inside, unpacking it, simple set-up in the designated room, and removal of packing materials. Please checkherefor our most up-to-date White Glove information.

    Please Note: Orders for this custom-made item cannot be canceled.


    Mattress Type Innerspring, Pocket Spring, Sets
    Thickness 14 Inch
    Mattress Top Pillow Top
    Foundation Low Profile
    Mattress Support Firm, Medium, Plush, Ultra Plush
    Product Features No-Flip
    Recommended Foundation Type Box Spring
    Dimensions Mattress: 14.5 inches high x 75 inches wide x 80 inches long Foundation/box-spring: 2 pieces 6 (low-profile) or 9 (regular) inches high x 37.5 inches wide x 80 inches long Overall set: 20.5 or 23.5 inches high x 75 inches wide x 80 inches long
    Warranty 10 year Limited Manufacturer
    Model Number 500151243
    Country of Origin United States
    • Most Recent

    • Verified Purchase

      This user earned $20.00 in rewards for writing this review.Learn More

      This mattress is super comfortable for those who like a mattress between firm and soft. It contours to your body perfectly. Mine had some dirt staining on it from the truck it was delivered by which is why I am not giving it a perfect rating. Another negative is if you use a colored sheet on the mattress it will also color the mattress… Which i’ve never experienced that with any other mattress.

      Read More
    • WORST SERVICE - don't have my bed
      Verified Purchase

      I am moving and so I put my former home as the address and then when they called to arrange the delivery I asked to change the delivery address that was 7 days ago. I called overstock to get the address changed and they told me 48 hours to do so. Now 4 days later, no address change and the 3rd party delivery service can't change the address or get a hold of overstock to get confirmation of the change. it has now be 16 days since I ordered the bed. I have not bed to sleep on at my home.

      Read More
    • Firm
      Verified Purchase

      It is a firm mattress, delivered much sooner than expected. Very happy so far.

      Read More
    • Best mattress ever
      Verified Purchase

      This user earned $20.00 in rewards for writing this review.Learn More

      I wrote a glowing review for the queen size Brightmore I bought for my son. Liked it so much, I bought the king size for our spare bedroom. Cushion Firm is the perfect compromise between Firm and soft. Very supportive, yet has a cradling effect in all the right places.

      Read More

    Questions & Answers

    • Q:

      "Why did you choose this product?"

      • A:

        Have shopped this mattress in several stores and liked it. Found the best price on

    • Q:

      "Does it come with a springbox?"

      • A:

        Yes, this comes with a springbox.

    Shopping Tips & Inspiration

    Shipping & Returns

    Contact Information

    Leaves our warehouse in 1-10 business days. *

    1-4 week delivery after the item ships:**

    Delivered by freight carrier. See Oversized Item Delivery Policy.

    Mattress Return Policy:

    Mattress Sets are non-returnable upon signature at delivery. Mattresses are non-returnable if opened or taken out of their plastic wrapping.
    More Details


    This item cannot be shipped to Alaska or Hawaii. More details

    Oversized Item Delivery Policy:

    This item will be shipped via freight carrier to your home, excluding rural routes, remote areas not in close proximity to areas commonly serviced by freight carriers, islands, APO/FPO addresses, P.O. Boxes, Alaska and Hawaii. Please provide your daytime and evening phone numbers during check out so our carrier can contact you to schedule delivery. Refer to our Oversized Item Delivery Policy for additional information.
    More details

    For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.