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NXT 3000 | Medium

NXT 3000 | Medium

Lumbar Support + Hypoallergenic + Copper Infused

Gold collection

155+ people bought

  • Conforming Comfort with Advanced Hybrid Technology
  • Made with Hypoallergenic Latex Foam which helps to relieve Pressure Points and Improve Circulation
  • Premium Support System offers Zoned Lumbar Support, Total Perimeter Edge Support and Motion Isolation
  • Good for All Sleeper Weights
Mattress height:
Sleep type:
  • Stomach sleeping position
    Side sleeping position
    Back sleeping position

    All sides

  • Mattress type:




    Size Size guide

    Twin XL









    Split King



    Bed frame options

    Total Price
    $2,499.95 $3,129 Save $629

    In stock. Delivery by July 18

    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 Copper Infused Natural Talalay Latex
    • 1.5” Layer of 2.0lb Density Super Soft 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

    Discover the NXT 3000 | Medium: Lumbar support meets hypoallergenic luxury. Features copper-infused Talalay latex, hypoallergenic foam, and a ThermoBalance® Cooling Quilt. Its 1,074 HD coil system with Quantum® edge support ensures comfort and stability. Ideal for improved circulation and pressure relief.


    Firmness Scale



















    Pressure Relief





    Air Circulation




    Customer Reviews

    Discover what our customers say about Mattress King.


    1,506 reviews

    Frequently Asked Questions

    What advantages does copper-infused Talalay latex foam offer in mattresses?

    Copper-infused Talalay latex foam in mattresses combines comfort with health benefits. Its copper content offers anti-inflammatory properties, aiding in pain relief for conditions like arthritis. Talalay latex itself is breathable and conforms to body contours, providing excellent support and muscle relief. Additionally, it's hypoallergenic, resisting dust mites and allergens, making it ideal for those with asthma or allergies. This combination ensures a restful, hygienic, and supportive sleep environment.

    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.

    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.

    How does Phase Change Material (PCM) enhance the comfort of a mattress?

    PCM, or Phase Change Material, in a mattress is an innovative technology designed for temperature regulation, enhancing sleep comfort. These materials change their state (solid, liquid, or vapor) in response to temperature variations. In the context of mattresses, PCMs typically shift from solid to liquid as they absorb heat, creating a cooling effect. This process also works in reverse, where they release heat as they solidify, thus warming up the mattress if it gets too cold. This bidirectional thermoregulation helps maintain an optimal sleeping temperature by redistributing body heat from warmer areas to cooler ones. PCMs are often incorporated into mattress covers or infused into the foam layers, especially in memory foam mattresses, to mitigate heat retention, a common issue with this mattress type. This technology not only enhances sleep quality by maintaining a comfortable temperature but also contributes to the durability and performance of the mattress.

    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.

    What is the best mattress for me?

    At Mattress King, finding the 'best mattress' is all about what uniquely suits you. Our extensive range ensures there's a perfect match for everyone's specific needs and preferences. To begin your journey to the ideal mattress, we recommend starting with our Mattress Finder Tool. This tool is designed to guide you through selecting the ideal size and budget range, helping narrow down the choices to mattresses that align with your requirements.

    But there's more to consider. Your sleep position, whether you're a side, back, or stomach sleeper, greatly influences the type of mattress that will provide the most comfort and support. Additionally, your temperature preferences – whether you tend to sleep hot or cold – play a crucial role in determining the best mattress material and design for you. And let's not forget about any specific pain points or discomfort you may experience, such as back pain or pressure points, which require tailored support and cushioning.

    Understanding these personal factors is key to finding a mattress that not only feels comfortable but also supports a healthy sleep posture, regulates temperature effectively, and addresses any specific pain or comfort needs. So, take the first step with our Mattress Finder Tool and discover the mattress that promises you the best sleep experience.