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  1. Home
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Casper Cooling Select vs Helix Midnight Luxe 2025

Which Mattress Is Better?

    Top
    Main Differences
    Design
      Style
    Performance
      FirmnessBody ConformitySupportBouncinessComfort Layers EnvelopmentResponsivenessMotion IsolationEdge SupportCooling
    Components
      CoverEdge ConstructionFoam Layer MaterialFoam Layer Mass DensityFoam Layer ThicknessSpring Layer DimensionsFoam Layer FirmnessSpring Layer FirmnessFoam Layer ResilienceSpring Layer Bounciness
    Comments

Products

Casper Cooling Select 
early access
Helix Midnight Luxe 2025

Tested using Methodology v1.1

Updated Dec 15, 2025 07:24 PM

This review is in Early access

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Tested using Methodology v1.0.1

Updated Jan 12, 2026 04:45 PM

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Helix
Casper Cooling Select Picture
Helix Midnight Luxe 2025 Picture
Mattress Type
Locked
Upper Comfort Foam @ LumbarLocked
Firmness Level
Locked
Mattress Type
Hybrid
Bounciness Level
Moderate (15 cm)
Upper Comfort Foam @ LumbarMemory Foam
Sinking Level
Moderate (5 cm)
Firmness Level
Medium (44 Pa/mm)
Contouring Level
Moderate (27 cm)
  1. Recommended in 1 article:
  2. Memory Foam

Our Verdict

Casper Cooling Select

Helix Midnight Luxe 2025

Full comparison details regarding individual product score sets can be found in the section below
0 

Variants

  • Cooling Select (Queen)
  • Midnight Luxe 2025 (Queen)

Review

See Casper Cooling Select Review
See Helix Midnight Luxe 2025 Review
0 
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Queen
Cooling Select
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Queen
Midnight Luxe 2025
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Helix
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Main Differences for
Sleeping (In Development)

Threshold 

0.10

Sleeping (In Development) 
 

N/A
8.4
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Full Comparison

Design

Style 
 

Style Picture 
 

Casper Cooling Select Style Picture Sample

SAMPLE

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Helix Midnight Luxe 2025 Style Picture

Mattress Type 
 

Locked
Hybrid

Bed-In-A-Box 
 

Locked
Yes

Quilted Top Layer 
 

Locked
Yes

Grab Handles 
 

Locked
Yes

Thickness  

Lock cm (Lock")
34.8 cm (13.7")
Show Text 
Performance

Firmness 
 

Head/Feet Firmness  

Casper Cooling Select Head/Feet Firmness Sample

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 Preview Graph
Helix Midnight Luxe 2025 Head/Feet Firmness

Lumbar Firmness  

Casper Cooling Select Lumbar Firmness Sample

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Helix Midnight Luxe 2025 Lumbar Firmness

Firmness Video  

Casper Cooling Select Firmness Video Sample

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Normalized Stiffness @ Head/Feet 
 

Lock Pa/mm
41 Pa/mm

Normalized Stiffness @ Lumbar 
 

Lock Pa/mm
44 Pa/mm

Firmness Level 
 

Locked
Medium (44 Pa/mm)
Show Text 

Body Conformity 
 

N/A

Shoulder Indentation vs. Body Weight  

Casper Cooling Select Shoulder Indentation vs. Body Weight Sample

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Indent @ 50 kg (110 lb) 
 

Lock mm (Lock")

Indent @ 80 kg (172 lb) 
 

Lock mm (Lock")

Indent @ 110 kg (242 lb) 
 

Lock mm (Lock")

Support 
 

N/A

Pelvis Indentation vs. Body Weight  

Casper Cooling Select Pelvis Indentation vs. Body Weight Sample

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Indent Difference @ 50 kg (110 lb) 
 

Lock mm (Lock")

Indent Difference @ 80 kg (172 lb) 
 

Lock mm (Lock")

Indent Difference @ 110 kg (242 lb) 
 

Lock mm (Lock")

Bounciness 
 

N/A
0.0

Bounciness Video  

Casper Cooling Select Bounciness Video Sample

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Maximum Rebound Height 
 

Lock cm (Lock")
15.0 cm (5.9")

Bounciness Level 
 

Moderate (15 cm)
Show Text 

Comfort Layers Envelopment 
 

N/A
0.0

Sinking & Contouring Picture 
 

Casper Cooling Select Sinking & Contouring Picture Sample

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Helix Midnight Luxe 2025 Sinking & Contouring Picture

Sinking Depth 
 

Lock cm (Lock")
5.3 cm (2.1")

Diameter Of Distortion 
 

Lock cm (Lock")
27.0 cm (10.6")

Sinking Level 
 

Moderate (5 cm)

Contouring Level 
 

Moderate (27 cm)
Show Text 

Responsiveness 
 

N/A
8.4

Responsiveness Video  

Casper Cooling Select Responsiveness Video Sample

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Response Time 
 

Lock s
0.7 s
Show Text 

Motion Isolation 
 

N/A
8.2

Motion Isolation Video  

Casper Cooling Select Motion Isolation Video Sample

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Head/Feet Motion Isolation  

Casper Cooling Select Head/Feet Motion Isolation Sample

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 Preview Graph
Helix Midnight Luxe 2025 Head/Feet Motion Isolation

Lumbar Motion Isolation  

Casper Cooling Select Lumbar Motion Isolation Sample

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Helix Midnight Luxe 2025 Lumbar Motion Isolation

Peak Acceleration @ Head/Feet 
 

Lock g
0.88 g

Dissipation Time @ Head/Feet 
 

Lock s
0.53 s

Peak Acceleration @ Lumbar 
 

Lock g
1.94 g

Dissipation Time @ Lumbar 
 

Lock s
0.61 s
Show Text 

Edge Support 
 

N/A
9.0

Naturalistic Loading Pad Video  

Casper Cooling Select Naturalistic Loading Pad Video Sample

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Naturalistic Loading Pad  

Casper Cooling Select Naturalistic Loading Pad Sample

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 Preview Graph
Helix Midnight Luxe 2025 Naturalistic Loading Pad

Small Platen  

Casper Cooling Select Small Platen Sample

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Helix Midnight Luxe 2025 Small Platen

Naturalistic Loading Pad Indentation 
 

Lock mm
134 mm

Small Platen Indentation @ 0 mm From Edge 
 

Lock mm
147 mm

Small Platen Indentation @ 150 mm From Edge 
 

Lock mm
150 mm

Increased Indentation @ Mattress Edge 
 

Lock mm
-3 mm
Show Text 

Cooling 
 

N/A
8.1

Cooling Graph  

Casper Cooling Select Cooling Graph Sample

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Helix Midnight Luxe 2025 Cooling Graph

Energy Transferred Over 1st Hour 
 

Lock kJ
63 kJ

Energy Transferred Over 8 Hours 
 

Lock kJ
176 kJ
Show Text 
Components

Cover 
 

Cover Picture 
 

Casper Cooling Select Cover Picture Sample

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Helix Midnight Luxe 2025 Cover Picture

Sleeping Surface Material 
 

Locked
TENCEL

Removable 
 

Locked
No

Machine Washable 
 

Locked
No
Show Text 

Edge Construction 
 

Edge Support Picture 
 

Casper Cooling Select Edge Support Picture Sample

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Helix Midnight Luxe 2025 Edge Support Picture

Edge Component 
 

Locked
Pocket Coils
Show Text 

Foam Layer Material 
 

Foam Layer Material Picture 
 

Casper Cooling Select Foam Layer Material Picture Sample

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Helix Midnight Luxe 2025 Foam Layer Material Picture

Quilted Top Fill  

N/A
Memory Foam + Polyfoam + Fiber Fill

Upper Comfort Foam @ Head/Feet  

Locked
Memory Foam

Upper Comfort Foam @ Lumbar  

Locked
Memory Foam

Lower Comfort Foam @ Head/Feet  

Locked
N/A

Lower Comfort Foam @ Lumbar  

Locked
N/A

Transition Foam  

Locked
Polyfoam

Support Foam  

Locked
N/A
Show Text 

Foam Layer Mass Density 
 

N/A
6.8

Quilted Top Fill  

N/A
25 kg/m³ (1.6 lb/cu.ft.)

Quilted Top Fill Foam Density vs. Reference 
 

N/A
0.7

Upper Comfort Foam @ Head/Feet  

Lock kg/m³ (Lock lb/cu.ft.)
68 kg/m³ (4.2 lb/cu.ft.)

Upper Comfort Foam @ Head/Feet Density vs. Reference 
 

Lock
1.1

Upper Comfort Foam @ Lumbar  

Lock kg/m³ (Lock lb/cu.ft.)
68 kg/m³ (4.2 lb/cu.ft.)

Upper Comfort Foam @ Lumbar Density vs. Reference 
 

Lock
1.1

Lower Comfort Foam @ Head/Feet  

Lock kg/m³ (Lock lb/cu.ft.)
N/A

Lower Comfort Foam @ Head/Feet Density vs. Reference 
 

Lock
N/A

Lower Comfort Foam @ Lumbar  

Lock kg/m³ (Lock lb/cu.ft.)
N/A

Lower Comfort Foam @ Lumbar Density vs. Reference 
 

Lock
N/A

Transition Foam  

Lock kg/m³ (Lock lb/cu.ft.)
30 kg/m³ (1.8 lb/cu.ft.)

Transition Foam Density vs. Reference 
 

Lock
1.0

Support Foam  

Lock kg/m³ (Lock lb/cu.ft.)
N/A

Support Foam Density vs Reference 
 

Lock
N/A
Show Text 

Foam Layer Thickness 
 

Foam Layer Thickness Picture 
 

Casper Cooling Select Foam Layer Thickness Picture Sample

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Helix Midnight Luxe 2025 Foam Layer Thickness Picture

Quilted Top 
 

N/A
5.0 cm (2.0")

Upper Comfort Foam @ Head/Feet  

Lock cm (Lock")
5.1 cm (2.0")

Upper Comfort Foam @ Lumbar  

Lock cm (Lock")
5.1 cm (2.0")

Lower Comfort Foam @ Head/Feet  

Lock cm (Lock")
N/A

Lower Comfort Foam @ Lumbar  

Lock cm (Lock")
N/A

Transition Foam  

Lock cm (Lock")
2.5 cm (1.0")

Support Foam  

Lock cm (Lock")
N/A
Show Text 

Spring Layer Dimensions 
 

Spring Layer Height Picture 
 

Casper Cooling Select Spring Layer Height Picture Sample

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Helix Midnight Luxe 2025 Spring Layer Height Picture

Spring Layer Density Picture 
 

Casper Cooling Select Spring Layer Density Picture Sample

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Helix Midnight Luxe 2025 Spring Layer Density Picture

Comfort Layer Height 
 

N/A
N/A

Comfort Layer Coil Density 
 

N/A
N/A

Comfort Layer Coil Gauge 
 

N/A
N/A

Support Layer Height 
 

N/A
20.5 cm (8.1")

Support Layer Coil Density 
 

N/A
248 coils/m² (23 coils/ft²)

Support Layer Coil Gauge @ Head/Feet 
 

N/A
14 gauge

Support Layer Coil Gauge @ Lumbar 
 

N/A
13 gauge
Show Text 

Foam Layer Firmness 
 

Comfort Layer IPD  

Casper Cooling Select Comfort Layer IPD Sample

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Helix Midnight Luxe 2025 Comfort Layer IPD

Transition & Support Layer IPD  

Casper Cooling Select Transition & Support Layer IPD Sample

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Helix Midnight Luxe 2025 Transition & Support Layer IPD

Quilted Top Fill 25% IPD 
 

N/A
1.4 kPa

Upper Comfort Foam @ Head/Feet 25% IPD 
 

Lock kPa
2.2 kPa

Upper Comfort Foam @ Lumbar 25% IPD 
 

Lock kPa
2.2 kPa

Lower Comfort Foam @ Head/Feet 25% IPD 
 

Lock kPa
N/A

Lower Comfort Foam @ Lumbar 25% IPD 
 

Lock kPa
N/A

Transition Foam 25% IPD 
 

Lock kPa
4.3 kPa

Support Foam 25% IPD 
 

Lock kPa
N/A
Show Text 

Spring Layer Firmness 
 

Comfort Layer Firmness  

Casper Cooling Select Comfort Layer Firmness Sample

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Helix Midnight Luxe 2025 Comfort Layer Firmness

Support Layer Firmness  

Casper Cooling Select Support Layer Firmness Sample

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Helix Midnight Luxe 2025 Support Layer Firmness

Spring Layer Firmness  

Casper Cooling Select Spring Layer Firmness Sample

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Normalized Comfort Layer Stiffness @ Head/Feet 
 

N/A
N/A

Normalized Comfort Layer Stiffness @ Lumbar 
 

N/A
N/A

Normalized Support Layer Stiffness @ Head/Feet 
 

N/A
81 Pa/mm

Normalized Support Layer Stiffness @ Lumbar 
 

N/A
54 Pa/mm
Show Text 

Foam Layer Resilience 
 

Foam Layer Resilience Video  

Casper Cooling Select Foam Layer Resilience Video Sample

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Quilted Top Fill  

N/A
45%

Upper Comfort Foam @ Head/Feet  

Lock%
2%

Upper Comfort Foam @ Lumbar  

Lock%
2%

Lower Comfort Foam @ Head/Feet  

Lock%
N/A

Lower Comfort Foam @ Lumbar  

Lock%
N/A

Transition Foam  

Lock%
47%

Support Foam  

Lock%
N/A
Show Text 

Spring Layer Bounciness 
 

Comfort Spring Layer Bounciness Video  

Casper Cooling Select Comfort Spring Layer Bounciness Video Sample

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Support Spring Layer Bounciness Video  

Casper Cooling Select Support Spring Layer Bounciness Video Sample

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Comfort Spring Layer Maximum Rebound Height 
 

N/A
N/A

Support Spring Layer Maximum Rebound Height 
 

N/A
46.0 cm (18.1")
Show Text 

Check Price

Queen
Cooling Select
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Queen
Midnight Luxe 2025
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Helix
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Casper Cooling Select

Helix Midnight Luxe 2025

Comments

  1. Comparison
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