Firm Mattresses
A firm mattress rates 7–8 on a 10-point scale — solid spinal support with minimal sinkage. The ideal choice for back sleepers, stomach sleepers, heavier bodies (230+ lbs), and anyone with back pain from a too-soft bed.
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Where firm sits on the scale.
Firmness is measured on a 1–10 scale. Firm sits at 7–8 — solid support with minimal sinkage, not as rigid as extra firm (9–10).
Four ways to feel firm.
Firm is a firmness rating, not a material. Every major construction comes in a firm option — each with a slightly different feel at the same rating.
The firm standouts from our top brands.
Three brands we carry engineer standout firm models worth calling out. Each available at our 5 LA showrooms.
All firm mattresses we carry.
Filter by type, brand, size, and price.
Plush vs Medium vs Firm vs Extra Firm.
Four firmness tiers, four very different sleep experiences. Here’s how to know which one fits you.
| Feature | Plush | Medium | You’re hereFirm | Extra Firm |
|---|---|---|---|---|
| Firmness scale | 1-3 / 10 | 4-6 / 10 | 7-8 / 10 | 9-10 / 10 |
| Best position | Side | All positions | Back, Stomach | Stomach |
| Body weight | Under 130 lbs | 130-230 lbs | 180-280 lbs | 250+ lbs |
| Sinkage | Deep contouring | Moderate | Minimal | Very minimal |
| Edge support | Weaker | Good | Strong | Strong |
| Cooling | Varies | Good | Good | Good |
| Back pain relief | Side sleepers only | Good for most | Strong for back/stomach | Stomach only |
Who firm mattresses are for.
Five sleeper types for whom firm genuinely outperforms the alternatives.
Back sleepers
Need a surface that maintains lumbar curvature without excessive sinkage. A firm mattress keeps the hips, mid-back, and shoulders in neutral alignment - ideal for the lower back.
Stomach sleepers
Stomach sleeping puts pressure on the lower back - if hips sink too deep, the spine hyperextends. Firm keeps hips elevated and level with shoulders, reducing strain.
Heavier sleepers (230+ lbs)
Body weight accelerates sinkage in softer mattresses. Sleepers over 230 lbs often find plush or medium mattresses collapse under weight. Firm provides the resistance needed.
Back pain sufferers
For many chronic back pain sufferers, a too-soft surface lets the spine curve overnight. Firm reduces morning stiffness and pain by keeping the spine neutral throughout the night.
Hot sleepers
Firm mattresses - especially firm hybrids and firm latex - sleep cooler than their plush counterparts. Less sinkage means less material around the body, more airflow.