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Clearance Mattresses - Mattresses with Cooling Technology | Sleep Cooler

Clearance Mattresses - Mattresses with Cooling Technology | Sleep Cooler

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Beat the heat with mattresses built to sleep cooler. Compare breathable, cool‑to‑the‑touch covers; phase‑change (PCM) and gel/graphite foams; ventilated latex; and airflow‑friendly pocket coils across hybrid, memory‑foam, and latex designs. Available in Twin, Twin XL, Full/Double, Queen, King, and California King.


Get exclusive deals on last year's models, limited quantities, factory clearance, samples, floor models, and more exclusively at National Mattress Outlet Plus+. Don’t wait too long as these last-minute deals won’t last long. Our clearance mattresses are priced to clear fast. Please note that some models may have some sort of visual defect so please read the product description or inquire in-store if you have any further questions. Shop our clearance section of products on sale available in-store and online. Enquire in-store for even more items on clearance.

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Mattresses with cooling technology use materials and designs that help reduce heat build‑up, wick moisture, and move air so you stay more comfortable through the night. Whether you’re a naturally warm sleeper, share the bed, or live in a humid climate, these models pair modern cooling features with the support and pressure relief you prefer.

What makes a mattress sleep cooler

  • Breathable, cool‑to‑the‑touch covers
    Knit fabrics, cooling yarns, and moisture‑wicking fibers that feel instantly cool on contact.

  • Phase‑Change Materials (PCM)
    Microcapsules that absorb and release heat to help buffer temperature swings.

  • Gel / Graphite / Copper‑infused foams
    Additives that pull heat away from the body and promote faster thermal dissipation.

  • Open‑cell & ventilated foams
    Channels and perforations improve airflow compared to traditional foam.

  • Pocket coils & airflow cores
    Individually wrapped coils and edge‑to‑edge designs circulate air throughout the mattress.

  • Latex comfort layers
    Naturally breathable and resilient with pin‑core ventilation for continuous airflow.

Who benefits most

  • Hot sleepers & humid climates wanting a cooler surface feel.

  • Couples who need better heat management and motion control.

  • Memory‑foam fans seeking contouring without the “heat trap” sensation.

How to choose (quick tips)

  • Surface feel: If you want immediate coolness, look for cool‑to‑the‑touch or PCM covers; for steady comfort, consider graphite/gel foams or latex.

  • Construction:

    • Hybrid / pocket coil → best airflow + strong edge support.

    • Memory foam → deep pressure relief; pick open‑cell/gel or PCM for cooling.

    • Latex → buoyant, breathable, and durable.

  • Firmness by position: Side = medium to medium‑plush; Back = medium; Stomach = medium‑firm to firm.

  • Height & sheets: Thicker (12–14"+) builds may need deep‑pocket sheets; pair with a breathable protector to maintain airflow.

  • Whole‑bed system: Use slatted or breathable platforms; avoid fully solid bases that restrict airflow.

What you’ll find here

  • A curated mix of hybrid, memory‑foam, and latex cooling mattresses.

  • Sizes: Twin, Twin XL, Full/Double, Queen, King, California King.

  • Optional features like zoned support, motion isolation, and reinforced edges to fine‑tune feel and performance.

Cooling performance varies by environment, bedding, and individual physiology. For persistent heat sensitivity, choose models with combined solutions (PCM + airflow coils or ventilated latex).

Browse and filter to find the best mattress with cooling technology that matches your sleep position, preferred feel, and budget.

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