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NXT 2000 | Medium-Firm

NXT 2000 | Medium-Firm

Lumbar Support + Hypoallergenic + Copper Infused

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  • Conforming Comfort with Advanced Hybrid Technology
  • Premium Support System offers Zoned Lumbar Support, Total Perimeter Edge Support and Motion Isolation
  • Good for All Sleeper Weights
Mattress height:
Sleep type:
  • Back sleeping position


    Stomach sleeping position


  • Mattress type:




    Size Size guide

    Twin XL









    Split King



    Bed frame options

    Total Price
    $2,199.95 $2,749 Save $549

    In stock. Delivery by June 17

    Our benefits

    100-Night Trial

    Free One-Day Delivery

    10 Year Warranty

    Learn more


    Construction of Mattress:

    6 Layer Design + Hybrid Cover

    • Ultra Conforming ThermoBalance® Cooling Cover with Phase Change® Technology
    • .5” 2.0lb Density Super Soft Loft Foam
    • 2“ Layer of 5.0lb Density Copper Infused Memory Foam
    • 1.5” Layer of 2.0lb Density Support Foam
    • .75” Layer of Deep Support Foam
    • 1,074 HD Individually Pocketed Coil System with Quantum® Edge Steel Perimeter and Zoned Lumbar Support
    • 1.5” Layer of HD Base Foam


    All foams meet CertiPUR-US® standards for content, emissions, and durability, and are analyzed by independent, accredited testing laboratories.

    Protected by a chemical-free and fiberglass-free fire barrier meeting 16 CFR 1633 and 16 CFR 1632 compliance


    This mattress is backed by a 10-year warranty from the manufacturer. For full details, please read our warranty information here.

    Where it’s made

    American Craftsmanship: Made in Oklahoma.

    Expert Assistance Awaits

    Get expert advice from our sleep specialists to ensure your best night’s sleep.


    Prefer a Personal Touch? Book Your In-Store Visit to discover mattresses and sleep essentials customized for your comfort.

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    Explore the Premium Quality of each Layer

    Experience unparalleled comfort with NXT 2000, a medium-firm mattress designed for ultimate support. It features a hypoallergenic, copper-infused memory foam layer, and advanced hybrid technology for superior lumbar support. The ThermoBalance® Cooling Quilt with Phase Change Technology, combined with a high-density pocketed coil system, ensures motion isolation and edge support. Ideal for those seeking a blend of firmness and comfort with enhanced cooling.


    Firmness Scale



















    Pressure Relief





    Air Circulation




    Customer Reviews

    Discover what our customers say about Mattress King.


    1,506 reviews

    Frequently Asked Questions

    What are the key benefits of a copper-infused memory foam mattress?

    Copper-infused memory foam mattresses offer a combination of enhanced sleep quality and health benefits. The conductive properties of copper help regulate body temperature, promoting a comfortable and consistent sleep environment. These mattresses are also known for their antimicrobial properties, making them more hygienic and reducing allergens. Additionally, copper's anti-inflammatory properties can aid in pain relief, particularly for joint and muscle discomfort. In terms of durability and comfort, these mattresses are designed to withstand wear and tear while adapting to body contours and reducing pressure points. They are generally safe and hypoallergenic, often coming with certifications like CertiPUR-US. Lastly, the copper components assist in thermal regulation by absorbing excess body heat, providing a cooler sleep experience, especially beneficial for those who find traditional memory foam mattresses too warm.

    What does 2.0lb density foam mean in mattress layers?

    The density of foam in mattresses, such as a 2.0lb density foam, is a critical factor that influences the mattress's performance, durability, and comfort. Foam density is measured in pounds per cubic foot (PCF) and indicates how much foam is used per square foot of the mattress. A 2.0lb density foam means that one cubic foot of this foam material weighs 2 pounds.

    This particular density is considered to be in the medium-density range. Mattresses with medium-density foam, like 2.0lb, strike a balance between softness and support. They are generally more durable than lower-density foams but are not as firm as higher-density varieties. This level of density is suitable for most sleepers as it offers a good mix of comfort and longevity. Medium-density foams typically conform well to the body's shape, providing better pressure relief than lower-density foams, without compromising on support.

    A 2.0lb density foam is also a smart choice in terms of durability. While it may not last as long as high-density foams, it tends to outperform and outlast lower-density materials. It's less susceptible to sagging and maintains its shape and support over a longer period.

    In terms of temperature neutrality, lower-density foams like 2.0lb generally perform better than high-density foams. They offer better airflow and do not retain as much body heat, making them a suitable option for those who sleep hot.

    When considering the firmness of a mattress, it's important to note that density and firmness are not the same. While higher density often correlates with firmer mattresses, a 2.0lb density foam can still be used in mattresses that are overall soft or medium-firm, depending on the combination of other materials used in the mattress.

    In summary, 2.0lb density foam in mattress layers is an excellent choice for regular use, offering a good compromise between comfort, support, and durability. It's suitable for a wide range of sleepers, providing the necessary support without being too firm or too soft.

    How do Individual Pocketed Coil mattresses differ from Hybrid mattresses?

    Both Individual Pocketed Coil and Hybrid mattresses typically use individual pocketed coils for their support system. However, there are key differences. A Hybrid mattress often features premium specialty foams, such as Gel Memory Foam, on the top layer. Its cover is usually a 'floating' design, smooth and unquilted, similar to foam mattresses like Tempur-Pedic. This design allows you to lie directly on the specialty foam, providing a unique feel.

    In contrast, Individual Pocketed Coil mattresses typically have a traditional quilted top. This quilted layer incorporates foam, offering a different type of comfort compared to the smoother, more direct feel of a Hybrid mattress. While Individual Pocketed Coil mattresses may also include specialty foams like those in Hybrid mattresses, the primary distinction lies in the mattress's initial feel and appearance.

    The Hybrid mattress concept was developed to offer the feel of an all-foam mattress, like Tempur-Pedic, combined with the support of individual pocketed coils found in traditional mattresses. Hence, the term "Hybrid" reflects the fusion of these two design principles, aiming to provide both comfort and support.

    What is 360-degree edge support on a mattress?

    360-degree edge support in a mattress refers to the reinforcement around the entire perimeter of the bed. This support is vital for several reasons:

    1. Preventing Sagging: It helps prevent sagging at the edges, maintaining the mattress's shape and structure over time.

    2. Increased Usable Surface Area: With strong edge support, the entire surface of the mattress becomes usable for sleeping and other activities, such as sitting. This is particularly beneficial for couples, as it allows them to use the full mattress without the fear of rolling off.

    3. Ease of Mobility: For individuals with mobility issues or those who experience back or joint pain, a firm edge support makes getting in and out of bed easier. It provides a stable base to sit on and assists in transitioning from sitting to standing.

    The construction of 360-degree edge support can vary. In some mattresses, this involves using firmer foam or high-density foam wrapped around the core mattress, providing extra support. In others, particularly in hybrid mattresses, the edge support is achieved with coils placed close to the sides.

    What is Zoned Lumbar Support or Tri-Zone Support in mattresses?

    Zoned Lumbar or Tri-Zone Support in mattresses refers to a design where specific zones have varying firmness to support different body areas. The middle zone is firmer for enhanced lumbar support, preventing the heavier midsection from sagging and aiding spinal alignment. Softer zones at the ends cater to the shoulders and feet, providing comfort and relieving pressure. This tailored support ensures proper posture and comfort for various sleeping positions.

    Can you explain Mattress King's 100-Night Comfort Guarantee?

    Absolutely! At Mattress King, we're dedicated to ensuring you find the perfect mattress for your sleep needs. That's why we offer an exclusive 100-night trial period on eligible mattresses. To participate in this trial, simply purchase one of our mattress protectors with your new mattress.

    If you find that your new mattress doesn't quite meet your comfort needs, don't worry. We offer a hassle-free, one-time exchange for a mattress that better suits you. There are no restocking fees involved – the only cost is a minimal one-time delivery fee. It's important that exchanges are conducted through Mattress King's official delivery service to guarantee proper handling of your returned mattress.

    Your trial period kicks off from the day you receive your mattress. We recommend sleeping on it for at least 21 days, as this gives your body enough time to adjust to the new sleeping surface.

    For more detailed information about our trial policy, please visit Mattress King's Trial Policy.

    Does Mattress King Offer Old Mattress Removal Services?

    Absolutely! When you opt for our upgraded delivery service, which includes setup and haul away, we take care of your old mattress and box springs. Please note that this service does not extend to bed frames or other furniture. For us to safely remove your mattress and box springs, they must be in a sanitary condition and free of any infestations. This way, we ensure a seamless and hygienic transition to your new sleep setup.