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    Comfort, explained layer by layer.

    Explore the materials inside this model and how they shape your comfort and support.

    Quilted comfort upholstery

    Cushioning material contributes to the mattress’s selected comfort feel.

    Innerspring support system

    The spring system provides the main responsive support beneath the comfort materials.

    Find your kind of comfort.

    Sealy Posturepedic Pro DuPont Lacey 14-inch Firm mattress product view

    A good match for

    Back, stomach and combination sleepers who want a firm feel with cooling and targeted support.

    What to consider

    Side sleepers who need deep shoulder and hip cushioning may prefer the Medium or a softer model.

    Materials that make the difference

    SealyComfort™ Gel Foam, individually encased PrecisionFit™ coils with MaxSupport™ Technology, DuraFlex™ Coil Edge and a cool-to-the-touch moisture-managing cover.

    Full product details

    Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress: Quick Answer

    A 14-inch firm tight-top mattress with quilted comfort layers over a responsive innerspring support system. It delivers a stable, traditional feel with limited sink.

    Expert Summary

    Best for
    Back and stomach sleepers; shoppers who prefer a firm traditional surface; people who value strong edge stability.
    Avoid if
    You want deep contouring, plush cushioning or the motion isolation of a foam-heavy hybrid.
    Feel and firmness
    Firm, stable and responsive.
    Sleeping positions
    Best starting point for back and stomach sleepers; may suit combination sleepers who prefer firmness.
    Cooling
    Good. The responsive innerspring construction leaves more room for airflow than a solid foam core.
    Motion isolation
    Good. The surface is more responsive than an all-foam mattress, so highly motion-sensitive couples should compare it in person.
    Edge support
    Very good. The perimeter is designed for stable edge use.
    Adjustable-base compatibility
    Yes. Confirm that the selected adjustable base and support setup meet Sealy's current requirements.

    Larry’s Take

    Use this as the traditional firm comparison against the DuPont Firm Hybrid. The tight-top innerspring feels more direct and responsive; the hybrid adds more contouring.

    Construction Highlights

    • 14-inch firm tight top
    • Quilted comfort layers
    • Responsive innerspring support
    • Stable perimeter feel

    See current showroom guidance and how Texan Mattress evaluates mattresses.

    Delivery and Comfort Exchange

    standard delivery is available to the contiguous 48 United States; Alaska and Hawaii are excluded. Delivery eligibility, carrier, timing, service level, setup, haul-away and any fees vary by product, order and destination. Confirm the current service for your address before purchase.

    For eligible mattresses, one comfort-exchange request may be made during days 101–120 after delivery, subject to the written Texan Mattress comfort-exchange policy, including eligibility requirements, fees and exclusions. Manufacturer warranty terms are separate and control warranty coverage.

    Comfort and firmness are subjective. This information is educational and is not medical advice.

    The details, at a glance.

    Check the selected configuration, construction and written terms before ordering.

    Selected configuration
    Twin XL
    Mattress height
    14 inches
    Construction
    Innerspring
    Materials
    SealyComfort™ Gel Foam, individually encased PrecisionFit™ coils with MaxSupport™ Technology, DuraFlex™ Coil Edge and a cool-to-the-touch moisture-managing cover.
    Adjustable-base compatibility
    Compatible when used with suitable support; check the selected mattress and base instructions.
    Manufacturer warranty
    10-year limited manufacturer warranty.
    Included in your order
    The selected configuration and explicitly listed gifts. Bases, toppers and bedding are included only when selected or stated in the offer.
    Mattress details and Larry’s assessment

    Mattress fit assessment

    Is this mattress right for you?

    A product-specific assessment of Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress based on construction, comfort, sleep-position fit, and online ordering details.

    Quick answer: Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress is listed at 8.0/10 with innerspring construction. Cooling profile: Cooling cover. Back, stomach and combination sleepers who want a firm feel with cooling and targeted support.

    Reviewed by Lawrence “Larry” Heilers, Texan Mattress owner and mattress-fitting specialist since 2000.

    How we evaluate product claims

    We separate manufacturer specifications, available test results, material-based explanations, showroom observations and customer-reported experience.

    Replacing a worn-out mattress can improve comfort, but that alone does not prove one model is best for every sleeper.

    Texan Mattress provides product-fitting and comparison guidance, not medical diagnosis or treatment.

    Best for

    Back, stomach and combination sleepers who want a firm feel with cooling and targeted support.

    Consider another option if

    Side sleepers who need deep shoulder and hip cushioning may prefer the Medium or a softer model.

    Firmness
    8.0/10
    Sleep positions
    Back, Stomach, Combination
    Construction
    Innerspring
    Cooling
    Cooling cover
    Pressure relief
    Good
    Motion isolation
    Very good
    Edge support
    Excellent
    Height
    14 inches

    Larry’s fit note

    Larry’s take: Sealy DuPont Firm is one of our strongest values for shoppers who want sturdy pushback, a cool-to-the-touch cover and reinforced edge support without paying hybrid pricing. I recommend it for back and stomach sleepers; if your shoulders or hips need more contour, compare the DuPont Medium before buying.

    More than 20 years helping customers compare comfort, support, and value without pressure.

    Body-type guidance

    A supportive choice for many average- and higher-weight back or stomach sleepers; side sleepers may prefer more cushioning.

    Materials and construction

    SealyComfort™ Gel Foam, individually encased PrecisionFit™ coils with MaxSupport™ Technology, DuraFlex™ Coil Edge and a cool-to-the-touch moisture-managing cover.

    Adjustable-base compatibility

    Compatible with adjustable bases.

    Online only

    This model is sold online and is not available to try in a Texan Mattress showroom. Free delivery to the contiguous 48 states in 7–10 business days.

    Delivery and setup

    Free delivery to the contiguous 48 states in 7–10 business days.

    Warranty coverage

    10-year limited manufacturer warranty.

    Comfort-exchange policy

    For eligible mattresses, one comfort-exchange request may be made during days 101–120 after delivery, subject to the written Texan Mattress comfort-exchange policy, including eligibility requirements, fees and exclusions. Manufacturer warranty terms are separate and control warranty coverage.

    Financing options

    Financing available† — Subject to approval, rates & terms. Review current financing options.

    Product-specific answers

    Questions about Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress

    Answers use the current Texan Mattress product profile and written policy summaries. Confirm the selected size, availability and manufacturer terms before purchasing.

    Who is Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress best for?

    Best for: Back, stomach and combination sleepers who want a firm feel with cooling and targeted support. — Consider another option if: Side sleepers who need deep shoulder and hip cushioning may prefer the Medium or a softer model.

    What does Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress feel like?

    Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress is listed at 8.0/10 with innerspring construction. Its product profile describes pressure relief as good, motion isolation as very good, and edge support as excellent.

    Does Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress sleep cool?

    The current cooling profile for Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress is cooling cover. Temperature comfort is personal, so compare the listed materials and cooling design with your room temperature, bedding and usual sleep experience.

    Can I try Sealy Posturepedic® Pro DuPont (Lacey) 14” Firm Mattress in a Texan Mattress showroom?

    This model is sold online and is not available to try in a Texan Mattress showroom. Sealy is no longer displayed at the Magnolia showroom.

    What delivery, warranty and comfort-exchange terms apply?

    Delivery: Free delivery to the contiguous 48 states in 7–10 business days. Warranty: 10-year limited manufacturer warranty. Comfort exchange: For eligible mattresses, one comfort-exchange request may be made during days 101–120 after delivery, subject to the written Texan Mattress comfort-exchange policy, including eligibility requirements, fees and exclusions. Manufacturer warranty terms are separate and control warranty coverage. Review the written terms for the selected model and size before ordering.

    Why shop Texan Mattress

    Clear guidance. Accurate policies. A simpler way to buy.

    Delivery optionsFree standard shipping within the contiguous 48 states is included; scheduled service may apply to qualifying orders.
    Hundreds of 5-star reviewsShop with a locally owned mattress retailer backed by extensive customer feedback.
    Warranty supportCoverage varies by model and manufacturer; our team helps you understand the written warranty.
    Recognized mattress brandsCompare established national brands with guidance from a mattress-fitting specialist.
    Comfort exchangeFor eligible mattresses, one comfort-exchange request may be made during days 101–120 after delivery, subject to the written Texan Mattress comfort-exchange policy, including eligibility requirements, fees and exclusions. Manufacturer warranty terms are separate and control warranty coverage.
    Flexible financingFinancing options are available for qualified buyers; current terms and approval requirements apply.
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