🦅 PRESIDENT’S DAY SLEEP SALE 😴🛏️

Honor great sleep this President’s Day with limited-time savings on top mattresses, adjustable bases, and bedding at KC Mattress City. 🦅 Shop online-only deals to upgrade your comfort and enjoy better rest at a better value. 😴

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A modern wooden bed features a blue and black Serta iSeries NXG 3500 Hybrid — Medium mattress, two accent pillows, and matching nightstands with lamps, all set against a blue wall.

A labeled graphic of the Serta iSeries NXG 3500 Hybrid — Medium mattress highlights its cooling fabric, pressure-relieving memory foam, and supportive 5-zoned coil system, each clearly described with concise text.

A hand presses down on the Serta iSeries NXG 3500 Hybrid — Medium mattress, featuring a textured blue surface. The firmness scale shows “Medium” between “Firm” and “Plush,” highlighting balanced support and comfort.

A woman lies on her side atop the Serta iSeries NXG 3500 Hybrid — Medium, shown in cutaway to reveal foam layers and wrapped coils; text highlights its medium feel and support for any sleep position.

Infographic: Serta iSeries NXG 3500 Hybrid—Medium. 30,000+ 5-star reviews. Medium feel suits stomach/back sleepers (sheep on firmness scale). Features CoolFeel cover and hybrid coil spring design.

A dark blue, king-size Serta iSeries NXG 3500 Hybrid — Medium mattress with a textured geometric pattern, white snowflake symbols, and a corner label reading “iSeries KING.”.

The Serta iSeries NXG 3500 Hybrid — Medium mattress in blue, featuring a geometric pattern and snowflake symbols, is displayed on an adjustable bed base with the head section elevated.

Serta iSeries NXG 3500 Hybrid — Firm: Enjoy a fiberglass-free, USA-made mattress with firm support, a 10-year limited warranty, free shipping/returns, an in-home trial, and adjustable base compatibility.

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 — Medium

Name: Serta iSeries NXG 3500 Hybrid — Medium
Brand: Serta
SKU: 12803
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 (Medium) delivers a balanced feel, combining contouring memory foam with responsive coil support. It offers immediate cooling, deep pressure relief, and full-body alignment.

Medium Feel — A perfect balance between soft contour and firm support
Cooling Design — CoolFeel™ cover and carbon fiber memory foam pull heat away
Pressure Relief — NXG memory foam molds to your body, easing stress points
Hybrid Construction — Zoned coils beneath foam layers enhance support and airflow
Best For — Combination, back, and side sleepers seeking balance

Additional information

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

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