Serta® iSeries® NXG™ 3500 Medium Foam Mattress
Balanced medium comfort with advanced cooling and deep pressure relief.
The Serta® iSeries® NXG™ 3500 Medium Foam Mattress is designed for sleepers who want the perfect balance of comfort and support. Featuring high-density NXG™ Memory Foam, a CoolFeel™ Cover, Carbon Fiber Memory Foam, Deep Reaction™ Gel Memory Foam, and Ultimate Edge™ Support, this mattress delivers cooling comfort, contouring pressure relief, and durable edge-to-edge stability.
Why You’ll Love It
- Medium feel — ideal for all sleep positions
- NXG™ Memory Foam provides deep, contouring pressure relief
- CoolFeel™ Cover gives an immediate cool-to-the-touch feel
- Carbon Fiber Memory Foam helps draw heat away from the body
- Deep Reaction™ Gel Memory Foam adds cradling comfort
- High-density foam core provides durable support
- Ultimate Edge™ Support improves edge-to-edge stability
- Designed to minimize motion transfer from your partner’s movement
- Adjustable-base compatible
- CertiPUR-US® Certified foams
- Made in the U.S.A. with global components
Cooling Comfort
The cool-to-the-touch CoolFeel™ Cover provides immediate cooling, while Carbon Fiber Memory Foam helps redistribute heat away from the body for all-night comfort.
Pressure Relief
High-density NXG™ Memory Foam cradles your body and helps relieve pressure, while Deep Reaction™ Gel Memory Foam adds deeper cushioning comfort.
Balanced Medium Support
A premium high-density foam core provides durable support, while Ultimate Edge™ Support helps create a more stable sleeping surface from edge to edge.
Ideal For
- Side sleepers
- Back sleepers
- Combination sleepers
- Sleepers who prefer a balanced medium feel
- Hot sleepers looking for cooling comfort
- Couples wanting reduced motion transfer
- Adjustable-base users
Mattress Specifications
-
Brand: Serta®
-
Collection: iSeries® NXG™
-
Model: 3500 Medium Foam
-
Comfort Feel: Medium
-
Mattress Type: All-Foam
-
Support System: High-density foam core with Ultimate Edge™ Support
-
Cooling Features: CoolFeel™ Cover, Carbon Fiber Memory Foam, and CoolFeel™ Plus System
-
Pressure Relief: NXG™ Memory Foam and Deep Reaction™ Gel Memory Foam
-
Compatibility: Adjustable bases, platform beds, slatted frames, traditional frames, box springs, bunky boards, and foundations
-
Available Sizes: Twin XL, Full, Queen, Split Head Queen, King, Split Head King, California King
Care Instructions
To help protect your mattress and extend its life, use a quality mattress protector. Avoid applying liquids directly to the mattress, as moisture or chemicals may stain the fabric or damage the foam.
Why Buy From Florida Mattress
😴 Why Sleep Shoppers Trust Us
- 📆 365-Night In-Home Trial – no risk, just rest
- 🕒 Open Daily – Same-day & Next-day delivery available
- ⭐ 5-Star Rated by Hundreds of Happy Sleepers
- 🛍️ Local, Family-Owned Since 2007
- 🌐 Find your closest location or shop online or in stores at Floridamattressstore.com
Join the thousands of Florida families who upgraded their sleep with us — and said, “I wish I came here first.”
Upgrade to Serta® Medium Cooling Comfort Today
Experience balanced medium comfort, advanced cooling, deep pressure relief, and durable all-foam support with the Serta® iSeries® NXG™ 3500 Medium Foam Mattress. Visit your nearest Florida Mattress location or shop online today.
