Sleeptronic SleepX Firm Cooling Hybrid Mattress with Lumbar Support

Firm Support That Actually Lasts

Tired of waking up sore or replacing a mattress every few years?

The Sleeptronic SleepX Firm Mattress is built for durability, proper spinal alignment, and cooler sleep—using a high-performance hybrid design that combines quad coil support, copper-infused latex, and advanced cooling technology.

This is not a “feels good for 30 days” mattress.

This is a holds-up-for-years mattress.

Key Features & Benefits

✔ Firm Support for Back & Stomach Sleepers

Engineered to keep your spine aligned and reduce pressure points—ideal if you prefer a 

firm mattress that doesn’t sink.

✔ Advanced Cooling Technology

Artscape 75% Cooling Fabric

PolyGel Cooling Quilt

Designed to pull heat away from your body so you sleep cooler and more comfortably.

✔ Foam-Encased Quad Coil System

Stronger than traditional coils:

Better durability

Less sagging over time

Improved motion isolation

You get support where you need it without feeling every movement.

✔ Targeted Lumbar Support

Reinforced center third helps support your lower back—where most mattresses fail.

✔ Copper-Infused Talalay Latex

Responsive (no “stuck” feeling)

Naturally breathable

Built for long-term durability

This gives you a more “on the mattress” feel vs. sinking into it.

✔ Edge-to-Edge Support

Foam encasement creates a stable sleep surface across the entire mattress—no roll-off feeling.

Who This Mattress Is Perfect For

People searching for a firm mattress with back support

Back and stomach sleepers

Couples needing motion separation

Hot sleepers looking for a cooling mattress

Anyone upgrading from a sagging or worn-out bed

Mattress Specifications

Mattress Type: Hybrid (Foam + Coil)

Comfort Level: Firm

Support System: Foam-Encased Quad Coil

Cooling Technology:

Artscape Cooling Fabric

PolyGel Quilting

Comfort Layers:

PolyGel Cooling Quilt Layer

High-Density Quilt Foam

Copper-Infused Talalay Latex

Dual Latex Comfort Layers

Support Layers:

Ultra Hi-Density Polyfoam (1.8 lb)

Targeted Lumbar Support Zone

Base Layer: High-Density Support Core

Motion Isolation: Yes

Edge Support: Yes (Foam Encased)

Adjustable Base Compatible: Yes

Layer-by-Layer Construction

Cooling Fabric Cover – Helps regulate temperature

PolyGel Quilting – Adds cooling comfort

Comfort Foam Layer – Pressure relief

Copper Latex Layers – Responsive support

Lumbar Support Zone – Reinforced back support

Ultra High-Density Foam – Prevents breakdown

Quad Coil System – Strong, responsive support

Base Support Layer – Long-term durability

Why This Mattress Stands Out

Most mattresses look the same online. They’re not.

The difference is what’s inside:

Higher density foams = longer life

Stronger coil system = better support

Real lumbar reinforcement = less back pain