What Is An Inner Spring Mattress? A Clear Guide to This Classic Mattress Type
If you’re searching for “What Is An Inner Spring Mattress”, you’re usually trying to understand what makes this type of bed different, how it feels, and whether it might suit your sleep preferences. This guide breaks down the basics in a simple, FAQ-style format.
What is an innerspring mattress in simple terms?
An innerspring mattress is a mattress that uses a core of metal coils (springs) as its main support system. On top of these coils, there are layers of padding or foam for comfort.
In other words, when you ask “What Is An Inner Spring Mattress”, the answer is:
The springs create a buoyant, responsive feel, so the surface tends to push back against your body rather than letting you sink deeply.
How is an innerspring mattress constructed?
While designs vary, most innerspring mattresses share some key parts:
- Support core: Metal coils or springs arranged in rows or zones
- Insulator layer: Material placed over the coils to prevent them from poking into the comfort layers
- Comfort layers: Fiber, foam, or quilting that add softness and pressure relief
- Cover: The outer fabric that holds everything together
Common types of innerspring coils
Different coil designs can change how the mattress feels:
- Bonnell coils: Hourglass-shaped, traditional design, often with a more bouncy feel
- Continuous coils: Made from one or a few long wires; designed for sturdy, consistent support
- Offset coils: Hinged-like edges that can offer a more adaptive feel
- Pocketed coils: Each coil is wrapped in fabric and moves more independently, often helping reduce motion transfer
How does an innerspring mattress feel to sleep on?
Most people describe innerspring mattresses as:
- Bouncy and responsive: The springs push back quickly when you move
- More “on” the bed than “in” the bed: You usually don’t sink as deeply as on many all-foam designs
- Airy: The space between coils can allow for more airflow through the mattress
Of course, the exact feel depends on:
- The firmness level
- The type and thickness of the top comfort layers
- The coil design and how tightly the springs are packed
What are the main pros and cons of innerspring mattresses?
Here’s a simple overview to help you compare:
👍 Potential advantages
- Responsive support that can make changing positions easier
- Familiar feel for those used to traditional mattresses
- Airflow through the coil system, which can help the mattress feel cooler to some sleepers
👎 Potential drawbacks
- Motion transfer: Some innerspring designs can allow movement to travel across the bed
- Pressure relief depends on comfort layers: Thin or firm top layers may feel less cushioned on shoulders or hips
- Noise: Over time, some coil systems may start to squeak or creak
How is an innerspring mattress different from other mattress types?
Understanding “What Is An Inner Spring Mattress” often includes comparing it with other common options:
Innerspring vs. all-foam:
- Innerspring: Bouncier, more airflow, less contouring
- Foam: More body-hugging, often better motion isolation, less bounce
Innerspring vs. hybrid:
- Innerspring: Coils + relatively simple comfort layers
- Hybrid: Coils + thicker or more advanced comfort layers (often foam or latex) for a more specialized feel
Who might like an innerspring mattress?
Preferences vary, but people who often appreciate innerspring mattresses include:
- Sleepers who like a traditional, springy feel
- Those who prefer easier movement on the surface rather than deep contouring
- Hot sleepers who want more airflow through the mattress core
- Some back and stomach sleepers who enjoy a firmer, more supportive surface (depending on the specific firmness level)
What should you look for in an innerspring mattress?
When evaluating innerspring options, pay attention to:
- Coil type: Pocketed coils can offer more targeted support and may reduce motion transfer compared with some open-coil systems
- Coil count and design: More coils or more thoughtfully zoned coils can indicate more refined support, though design matters as much as raw numbers
- Comfort layers: Check how thick and what type of materials are used above the springs; these strongly influence softness and pressure relief
- Edge support: Some innerspring mattresses reinforce the edges with stiffer coils or foam, which can help the perimeter feel more stable
- Overall firmness: Choose a firmness that aligns with your sleeping position and comfort preferences
✅ Quick Mattress Takeaways
Key points consumers should understand about “What Is An Inner Spring Mattress”
- An innerspring mattress uses metal coils as its primary support system, topped with comfort layers.
- It generally offers a bouncy, responsive, and more “on-the-bed” feel, rather than deep contouring.
- Coil type (Bonnell, continuous, offset, pocketed) and the quality of comfort layers play a big role in how the mattress feels.
- Many sleepers appreciate innersprings for their familiar, traditional feel and airflow through the coils.
- When exploring What Is An Inner Spring Mattress, focus on firmness, coil design, comfort layering, and edge support to find a model that suits your preferences.
Understanding these basics of what an innerspring mattress is, how it’s built, and how it tends to feel can make it easier to decide whether this classic mattress type matches the way you like to sleep.

