• Serta iSeries NXG 1500 Hybrid Firm mattress
  • Serta iSeries NXG 1500 Hybrid Firm layer cutaway
  • Serta iSeries NXG 1500 Hybrid Firm firmness and CoolFeel cover
  • Serta iSeries NXG 1500 Hybrid Firm feel graphic
  • Serta NXG Memory Foam closeup
  • Serta iSeries NXG 1500 edge-to-edge support
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Serta iSeries NXG 1500 Hybrid Firm Mattress

$1,899.00
$1,899.00
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The Serta iSeries NXG 1500 Hybrid Firm pairs high-density NXG™ Memory Foam and Carbon Fiber Memory Foam with Serta® Balanced Support Foam over a 1,000-coil 5-Zone Support System with BestEdge®. A CoolFeel™ cover draws heat away for a firm, supportive, cool-sleeping surface.

  • A 1,000-coil 5-Zone Support System with BestEdge® delivers firm, edge-to-edge support and stable alignment.
  • A CoolFeel™ cover and Carbon Fiber Memory Foam draw heat away from the body for cooler sleep.
  • High-density NXG™ Memory Foam contours to relieve pressure while keeping a firm, lifted feel.
Mattress height
12 in
Sleep type
Back sleepers; Stomach sleepers
Mattress type
Hybrid Mattress
Comfort feel
Firm

Firmness Scale

7.5

  1. 1–3 Plush
  2. 3–4 Medium Plush
  3. 4–6 Medium
  4. 6–8 Medium Firm
  5. 8–9 Firm
  6. 9–10 Extra Firm
Bedding size

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Subtotal
$1,899.00

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Certifications

Certification details vary by brand and model. A SleepCity expert can help confirm materials, foams, and manufacturer-backed claims for this exact product before you purchase.

Delivery & Returns

SleepCity serves Southeast Texas and Southwest Louisiana with local delivery on selected mattress purchases. We will confirm delivery timing, setup options and pickup availability before checkout. All sales are final; no refunds. Qualifying mattresses delivered within our regular local delivery areas may be eligible for one comfort exchange within 120 nights, after a minimum 30-night break-in period. A $249 exchange fee applies. See our Return & Comfort Guarantee Policy for all eligibility requirements and exclusions.

Outside our local delivery area? Call (903) 747-8270 for delivery options.

Warranty

Warranty coverage is provided by the manufacturer and varies by product. SleepCity can help compare coverage, confirm what is included, and point you to the right registration details.

Why SleepCity?

SleepCity pairs trusted mattress brands with local showroom guidance, financing help, and delivery support, so the experience stays clear from selection through setup.

Inside the iSeries NXG 1500 Firm

See how the iSeries NXG 1500 Firm layers a cooling cover, NXG™ Memory Foam comfort, and a 1,000-coil 5-Zone support core for a firm, supportive feel.
Serta iSeries NXG 1500 Hybrid Firm Mattress construction

  1. CoolFeel™ Cover + Carbon Fiber Memory Foam

    A stretch-knit CoolFeel™ cover sits above Carbon Fiber Memory Foam that contours lightly and pulls heat away from the body.

  2. NXG™ Memory Foam + Balanced Support

    High-density NXG™ Memory Foam and Serta® Balanced Support Foam add contouring pressure relief over a responsive transition.

  3. 1,000-Coil 5-Zone Support + BestEdge®

    A 1,000-coil 5-Zone Support System alternates firmer and softer zones and adds BestEdge® edge support over a stable base foam.

OVER 5,000 CUSTOMER REVIEWS

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