🦅 PRESIDENT’S DAY SLEEP SALE 😴🛏️

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A modern bedroom with a wooden bed features a blue and white Serta iSeries NXG 3500 Hybrid — Firm mattress, two blue pillows, one white pillow, nightstands with books, and hanging globe lamps against a blue wall.

The Serta iSeries NXG 3500 Hybrid — Firm features immediate cooling from advanced fabric and foam, instant pressure relief with memory foam, and targeted support via a 5-zone coil system.

A person lies on their side atop a Serta iSeries NXG 3500 Hybrid — Firm mattress, with five cartoon sheep in front. Text reads: "5-Zone Coil Support System," highlighting targeted support for the back.

Close-up view of the Serta iSeries NXG 3500 Hybrid — Firm mattress’s micro-coil support system, featuring rows of individually wrapped coils. Below, text reads: “Serta Micro-Coil Support—designed for added pressure relief and motion control.”.

Four icons showcase Serta iSeries NXG 3500 Hybrid — Firm features: 30,000+ reviews, Hybrid Firm support for stomach/back sleepers (with cartoon sheep), CoolFeel cover, and advanced hybrid spring/foam construction.

A blue Serta iSeries NXG 3500 Hybrid — Firm king mattress with geometric patterns, an elevated head section, three snowflake symbols for cooling, and firm support.

The Serta iSeries NXG 3500 Hybrid — Firm is a dark blue mattress with geometric patterns, textured sides, white snowflake symbols, and an “iSeries King” label, delivering both comfort and firm support.

A woman lies on her side on the Serta iSeries NXG 3500 Hybrid — Firm mattress, shown in cross-section with foam and wrapped coils. Text highlights firm support, perfect for stomach or back sleepers.

A hand presses on a blue mattress with geometric patterns. A firmness scale highlights "Firm," describing the Serta iSeries NXG 3500 Hybrid — Firm's supportive, lifted feel with a touch of comfort, perfect for those seeking a stable sleep surface.

A cartoon sheep stands under a circle with a waving American flag and the text “Made in the U.S.A. With Global Components,” highlighting the quality of the Serta iSeries NXG 3500 Hybrid — Firm mattress on a dark blue background.

Serta iSeries NXG 3500 Hybrid — Firm

Name: Serta iSeries NXG 3500 Hybrid — Firm
Brand: Serta
SKU: 12788
Availability: InStock

Price range: $2,099.00 through $2,999.00

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Price range: $2,099.00 through $2,999.00

Size

Clear

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Description

The iSeries NXG 3500 Hybrid (Firm) emphasizes stability and resistance to sagging. It pairs dense comfort foams with durable coils for a firmer, supportive feel.

Firm Feel — Strong push-back and reduced sink
Cooling Components — Same CoolFeel™ cover plus carbon fiber memory foam for heat regulation
Supportive Foam System — High density memory foams for firm contouring
Zoned Coil Base — Adds structure and promotes spinal alignment
Best For — Back and stomach sleepers who prefer a firmer surface

Additional information

Size	Twin, Twin XL, Full, Queen, King, Cal King

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