Beautyrest Harmony Lux Carbon Medium Pillow Top vs Casper The One
Detailed side-by-side comparison — pricing, specs, performance ratings, and our pick.
Beautyrest
Harmony Lux Carbon Medium Pillow Top
$1,149
$1,399 MSRP
Queen
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| Feature | Beautyrest Harmony Lux Carbon Medium Pillow Top | Casper The One |
|---|---|---|
| Overview | ||
Type | Hybrid | Memory Foam |
Firmness 1 = softest, 10 = firmest | 5.5 / 10 | 6 / 10 |
Queen Price Current / sale price | $1,149 | $799 |
Trial Period Return window | 100 nights | 100 nights |
Warranty | 10 years | 10 years |
| Performance Ratings | ||
Cooling Hot sleepers | High | Low |
Motion Isolation Partners, light sleepers | Excellent | Excellent |
Pressure Relief Hip/shoulder pain | Good | Good |
Edge Support Sit/sleep near edge | Good | Fair |
Durability Long-term performance | Good | Good |
| Compatibility & Features | ||
Adjustable Base Head/foot elevation | ✓ Yes | ✓ Yes |
Split King Support Two Twin XL per couple | — | ✓ Yes |
Dual Comfort Zones Different firmness per side | — | — |
Smart Features App, sensors, auto-adjust | — | — |
Financing | Synchrony, Affirm | Affirm |
| Materials & Safety | ||
Certifications Organic / non-toxic | CertiPUR-US, SEAQUAL | CertiPUR-US |
Off-Gassing New-foam smell concern | CertiPUR-US certified foam | CertiPUR-US certified foam |
| Best For | ||
Ideal sleeper profiles |
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| Actions | ||
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Beautyrest Harmony Lux Carbon Medium Pillow Top
Strengths
- ✓InfiniCool Lux cooling technology
- ✓T2 pocketed coils for airflow
- ✓SEAQUAL ocean-plastic fabric cover
- ✓100-night trial
Considerations
- —DISCONTINUED Aug 19, 2025 — clearance only
- —Replaced by Beautyrest Black/Pressure Smart lines
- —Limited inventory — verify availability before publishing links
Casper The One
Strengths
- ✓Zoned Support (shoulder/hip differentiation)
- ✓Solid motion isolation
- ✓Open-cell foam for breathability
- ✓100-night trial
Considerations
- —No active cooling
- —Fair edge support
- —All-foam (no coil bounce)
Who Should Buy Which?
Choose the Beautyrest Harmony Lux Carbon Medium Pillow Top if you…
- →Sitting near the edge
- →Organic / non-toxic priority shoppers
Beautyrest Harmony Lux Carbon Medium Pillow Top
Casper The One
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