What is the best firm mattress for a heavy back sleeper?

Here is a list of firm mattresses for heavy back sleepers, detailing firmness, materials, and support features:

Koala Mattress – Flippable Firmness

Why pick Koala Mattress – Flippable Firmness

• Dual firmness sides offer tailored support for heavier back sleepers.
• High-quality Kloudcell™ foam and TENCEL™ cover for lasting comfort.
• Three-zone support relieves pressure and promotes proper spinal alignment.

The Koala Mattress offers a flippable design with two firmness options: medium-firm (6.5) and firm (7.5) on the firmness scale. This caters to back and stomach sleepers, as well as individuals with higher body weight, who often benefit from enhanced support.

The mattress features a TENCEL™ Lyocell cover for breathability, a Kloudcell™ double-sided comfort layer with three targeted support zones, and a high-density foam base.

This construction promotes spinal alignment and helps minimise partner disturbance.

The responsive Kloudcell™ foam aims to alleviate pressure points, providing stability and comfort for heavier sleepers.

Emma Original Hybrid Mattress – Firm Level

Why pick Emma Original Hybrid Mattress – Firm Level

• Medium-firm hybrid suits various sleeping styles and heavier frames.
• Airgocell® foam and Aeroflex® springs ensure premium craftsmanship.
• Zoned support and memory foam provide spinal alignment and comfort.

The Emma Original Hybrid Mattress has a medium-firm feel, rated at 6.5 out of 10 on the firmness scale. This level of firmness is generally suitable for back and side sleepers, particularly those weighing between 150 and 250 pounds.

The mattress is constructed with layers of Airgocell® foam for breathability, HALO® memory foam for adaptive support, and a core of individually wrapped pocket springs that provide responsive support and motion isolation.

Its zoned support system targets specific body areas, helping to maintain spinal alignment and deliver pressure relief at the shoulders and hips.

Ecosa Align Firm Mattress

Why pick Ecosa Align Firm Mattress

• Extra-firm feel keeps heavy back sleepers well supported and aligned.
• Durable latex foam and robust pocket springs for superior build.
• Wave foam layer and pocket springs ease pressure and minimise disturbance.

The Ecosa Align Firm Mattress is rated 9 out of 10 for firmness, making it well-suited for back and stomach sleepers, as well as individuals weighing over 230 pounds.

This mattress features an all-foam construction with multiple high-density foam layers working together to create a supportive sleep surface. The foam layers provide strong support and durability, while maintaining responsiveness and increased airflow.

These materials create a solid and supportive sleep surface.

The mattress's flat foam layers help distribute weight evenly, providing pressure relief for important areas such as the shoulders and hips, while maintaining spinal alignment.

Sleeping Duck SD Mach II Mattress

Why pick Sleeping Duck SD Mach II Mattress

• Adjustable firmness lets you customise support for heavier sleepers.
• Australian-made foams and steel springs offer premium durability.
• Multi-zoned springs and custom foam ease pressure at key points.

The Sleeping Duck SD Mach II mattress comes in two firmness options: medium (6.5/10) and firm (7.5/10), with split configurations available for larger sizes. This versatility makes it suitable for a range of sleep positions, particularly back and stomach sleepers or those weighing over 104 kg.

Its construction combines a breathable bamboo cover, high-density polyurethane foam, and a multi-zoned pocket spring system for targeted support and pressure relief.

The fixed foam layers work in conjunction with zoned pocket springs to provide consistent support, while reinforced edge support helps maintain durability and reduces sagging, promoting proper spinal alignment throughout the night.

Simba Hybrid Mattress – Firm

Why pick Simba Hybrid Mattress – Firm

• Medium-firm feel offers balanced support for most back sleepers.
• Five-layer hybrid build with titanium Aerocoil® springs for luxury.
• Zoned base and memory foam cushion pressure spots and align spine.

The Simba Hybrid Mattress is rated at a medium-firm level, around 6 out of 10, making it suitable for back and side sleepers.

Its construction features five layers, including a breathable top cover, graphite-infused Simbatex® foam for cooling, conical Aerocoil® micro springs for targeted support, responsive memory foam, and a high-density foam base for foundational support. This hybrid design aims to balance comfort and support, promoting spinal alignment and easing pressure points, particularly at the hips and shoulders.

The micro coil system also helps minimise motion transfer for shared beds.

Sleeping Culture Luxe – Firm

Why pick Sleeping Culture Luxe – Firm

• Firm rating is ideal for heavy back and stomach sleepers.
• Hybrid innerspring and foam layers combine strength and comfort.
• Zoned support and reinforced lumbar area reduce pressure and pain.

The Sleeping Culture Luxe, Firm mattress has a firmness rating of 8 out of 10, placing it in the firm category, which is generally recommended for back and stomach sleepers, particularly those over 230 pounds.

Its hybrid construction blends innerspring coils with foam layers, creating a surface that offers both strong support and moderate contouring. The innerspring core helps with breathability and stability, while the foam layers provide cushioning to help minimise pressure points.

The mattress also features zoned support and reinforced lumbar regions that promote spinal alignment and offer enhanced support where it is needed most.