Mattress
Products
In The Lab
Forums
Newsletters
Join now
Best
Mattresses Back Pain Side Sleepers Memory Foam Brands Firm King Size Heavy People Hybrid Mattresses-In-A-Box Affordable Queen Cooling Organic Twin Latex Full-Size Medium Firm California King Twin XL
Tools
Compare Results Table Tool Review List Review Index Graph Review Pipeline Vote Custom Ratings
Popular
Casper Snow Novaform Legacy Helix Midnight Luxe 2025 Nolah Evolution Saatva Latex Hybrid Casper Cooling Select Kirkland Stearns & Foster Pillow Top Lakeridge Sleep On Latex Hybrid Beautyrest Silver BRS900 Beautyrest Mattress Novaform ComfortGrande Plus Saatva Classic (Luxury Firm) Saatva Classic (Plush Soft) Sleep On Latex Pure Green Organic Allswell Hybrid Purple Mattress Silk & Snow Mattress Tuft and Needle Mint Sealy Posturepedic Hybrid Boring Hybrid
63 Mattresses bought and tested
Supported by you via membership, and when you purchase through links on our site, we may earn an affiliate commission.
  1. Home
  2. Mattress
  3. Compare

Novaform ComfortGrande Plus vs Casper Cooling Select Hybrid

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

Novaform ComfortGrande Plus
Casper Cooling Select Hybrid 
early access

Tested using Methodology v1.2

Updated Jul 23, 2026 05:49 PM

SEE PRICE
Novaform

Tested using Methodology v1.2

Updated Jul 21, 2026 02:12 PM

This review is in Early access

SEARCH
Amazon
Novaform ComfortGrande Plus Picture

Track

Casper Cooling Select Hybrid Picture

Track

Mattress Type
Foam
Bed-In-A-Box
Yes
Upper Comfort Foam @ LumbarMemory Foam
Firmness Level
Medium-Firm (52 Pa/mm)
Mattress Type
Hybrid
Bed-In-A-Box
Yes
Upper Comfort Foam @ LumbarPolyfoam
Firmness Level
Medium-Plush (40 Pa/mm)

Our Verdict

Novaform ComfortGrande Plus

Casper Cooling Select Hybrid

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

GIFT THIS COMPARISON

0 

Variants

  • ComfortGrande Plus (Queen)
  • Cooling Select Hybrid (California King)
  • Cooling Select Hybrid (Full)

Review

See Novaform ComfortGrande Plus Review
See Casper Cooling Select Hybrid Review
0 
0 

Check Price

 
California King
Cooling Select Hybrid
SEARCH
Amazon
 
Full
Cooling Select Hybrid
SEARCH
Amazon
 
King
Cooling Select Hybrid
SEARCH
Amazon
Queen
ComfortGrande Plus
SEE PRICE
Novaform
Queen
Cooling Select Hybrid
SEARCH
Amazon

Main Differences for
Side Sleeping

Threshold 

0.10

Side Sleeping 
 

6.9
0.0
No major differences between these mattresses for side sleeping. See full list of tests below.

Full Comparison

Design

Style 
 

Style Picture  

Novaform ComfortGrande Plus Style Picture
Casper Cooling Select Hybrid Style Picture Sample

SAMPLE

Join Now

for pictures & test results

Mattress Type 
 

Foam
Locked

Bed-In-A-Box 
 

Yes
Locked

Quilted Top Layer 
 

No
Locked

Grab Handles 
 

Yes
Locked

Thickness  

34.9 cm (13.7")
Lock cm (Lock")
Performance

Firmness 
 

Head/Feet Firmness  

 Preview Graph
Novaform ComfortGrande Plus Head/Feet Firmness
Casper Cooling Select Hybrid Head/Feet Firmness Sample

SAMPLE

Join Now

for pictures & test results

Lumbar Firmness  

 Preview Graph
Novaform ComfortGrande Plus Lumbar Firmness
Casper Cooling Select Hybrid Lumbar Firmness Sample

SAMPLE

Join Now

for pictures & test results

Firmness Video  

Casper Cooling Select Hybrid Firmness Video Sample

SAMPLE

Join Now

for videos & test results

Normalized Stiffness @ Head/Feet 
 

52 Pa/mm
Lock Pa/mm

Normalized Stiffness @ Lumbar 
 

52 Pa/mm
Lock Pa/mm

Firmness Level 
 

Medium-Firm (52 Pa/mm)
Locked

Body Conformity 
 

6.8
N/A

Shoulder Indentation vs. Body Weight  

 Preview Graph
Novaform ComfortGrande Plus Shoulder Indentation vs. Body Weight
Casper Cooling Select Hybrid Shoulder Indentation vs. Body Weight Sample

SAMPLE

Join Now

for pictures & test results

Indent @ 50 kg (110 lb) 
 

40 mm (1.6")
Lock mm (Lock")

Indent @ 80 kg (176 lb) 
 

60 mm (2.4")
Lock mm (Lock")

Indent @ 110 kg (242 lb) 
 

75 mm (3.0")
Lock mm (Lock")

Support 
 

7.3
N/A

Pelvis Indentation vs. Body Weight  

 Preview Graph
Novaform ComfortGrande Plus Pelvis Indentation vs. Body Weight
Casper Cooling Select Hybrid Pelvis Indentation vs. Body Weight Sample

SAMPLE

Join Now

for pictures & test results

Indent Difference @ 50 kg (110 lb) 
 

16 mm (0.6")
Lock mm (Lock")

Indent Difference @ 80 kg (176 lb) 
 

21 mm (0.8")
Lock mm (Lock")

Indent Difference @ 110 kg (242 lb) 
 

21 mm (0.8")
Lock mm (Lock")

Bounciness 
 

4.2
N/A

Bounciness Video  

Casper Cooling Select Hybrid Bounciness Video Sample

SAMPLE

Join Now

for videos & test results

Maximum Rebound Height 
 

4.0 cm (1.6")
Lock cm (Lock")

Comfort Layers Envelopment 
 

7.3
N/A

Sinking & Contouring Picture  

Novaform ComfortGrande Plus Sinking & Contouring Picture
Casper Cooling Select Hybrid Sinking & Contouring Picture Sample

SAMPLE

Join Now

for pictures & test results

Sinking Depth 
 

4.8 cm (1.9")
Lock cm (Lock")

Diameter Of Distortion 
 

28.3 cm (11.1")
Lock cm (Lock")

Responsiveness 
 

6.9
N/A

Responsiveness Video  

Casper Cooling Select Hybrid Responsiveness Video Sample

SAMPLE

Join Now

for videos & test results

Response Time 
 

1.4 s
Lock s

Motion Isolation 
 

9.2
N/A

Motion Isolation Video  

Casper Cooling Select Hybrid Motion Isolation Video Sample

SAMPLE

Join Now

for videos & test results

Head/Feet Motion Isolation  

 Preview Graph
Novaform ComfortGrande Plus Head/Feet Motion Isolation
Casper Cooling Select Hybrid Head/Feet Motion Isolation Sample

SAMPLE

Join Now

for pictures & test results

Lumbar Motion Isolation  

 Preview Graph
Novaform ComfortGrande Plus Lumbar Motion Isolation
Casper Cooling Select Hybrid Lumbar Motion Isolation Sample

SAMPLE

Join Now

for pictures & test results

Peak Acceleration @ Head/Feet 
 

0.58 g
Lock g

Dissipation Time @ Head/Feet 
 

0.25 s
Lock s

Peak Acceleration @ Lumbar 
 

1.97 g
Lock g

Dissipation Time @ Lumbar 
 

0.23 s
Lock s

Edge Support 
 

7.4
N/A

Naturalistic Loading Pad Video  

Casper Cooling Select Hybrid Naturalistic Loading Pad Video Sample

SAMPLE

Join Now

for videos & test results

Naturalistic Loading Pad  

 Preview Graph
Novaform ComfortGrande Plus Naturalistic Loading Pad
Casper Cooling Select Hybrid Naturalistic Loading Pad Sample

SAMPLE

Join Now

for pictures & test results

Small Platen  

 Preview Graph
Novaform ComfortGrande Plus Small Platen
Casper Cooling Select Hybrid Small Platen Sample

SAMPLE

Join Now

for pictures & test results

Naturalistic Loading Pad Indentation 
 

139 mm
Lock mm

Small Platen Indentation @ 0 mm From Edge 
 

157 mm
Lock mm

Small Platen Indentation @ 150 mm From Edge 
 

129 mm
Lock mm

Increased Indentation @ Mattress Edge 
 

29 mm
Lock mm

Cooling 
 

7.7
N/A

Cooling Graph  

 Preview Graph
Novaform ComfortGrande Plus Cooling Graph
Casper Cooling Select Hybrid Cooling Graph Sample

SAMPLE

Join Now

for pictures & test results

Energy Transferred Over 1st Hour 
 

64 kJ
Lock kJ

Energy Transferred Over 8 Hours 
 

157 kJ
Lock kJ
Components

Cover 
 

Cover Picture  

Novaform ComfortGrande Plus Cover Picture
Casper Cooling Select Hybrid Cover Picture Sample

SAMPLE

Join Now

for pictures & test results

Sleeping Surface Material 
 

Polyester, Nylon, Polyethylene, Spandex
Locked

Removable 
 

No
Locked

Machine Washable 
 

No
Locked

Edge Construction 
 

Edge Support Picture  

Novaform ComfortGrande Plus Edge Support Picture
Casper Cooling Select Hybrid Edge Support Picture Sample

SAMPLE

Join Now

for pictures & test results

Edge Component 
 

None
Locked

Foam Layer Material 
 

Foam Layer Material Picture  

Novaform ComfortGrande Plus Foam Layer Material Picture
Casper Cooling Select Hybrid Foam Layer Material Picture Sample

SAMPLE

Join Now

for pictures & test results

Quilted Top Fill  

N/A
N/A

Upper Comfort Foam @ Head/Feet  

Memory Foam
Locked

Upper Comfort Foam @ Lumbar  

Memory Foam
Locked

Lower Comfort Foam @ Head/Feet  

N/A
Locked

Lower Comfort Foam @ Lumbar  

N/A
Locked

Transition Foam  

Polyfoam
Locked

Support Foam  

Polyfoam
N/A

Foam Layer Mass Density 
 

6.9
N/A

Quilted Top Fill  

N/A
N/A

Quilted Top Fill Foam Density vs. Reference 
 

N/A
N/A

Upper Comfort Foam @ Head/Feet  

50 kg/m³ (3.1 lb/cu.ft.)
Lock kg/m³ (Lock lb/cu.ft.)

Upper Comfort Foam @ Head/Feet Density vs. Reference 
 

0.8
Lock

Upper Comfort Foam @ Lumbar  

50 kg/m³ (3.1 lb/cu.ft.)
Lock kg/m³ (Lock lb/cu.ft.)

Upper Comfort Foam @ Lumbar Density vs. Reference 
 

0.8
Lock

Lower Comfort Foam @ Head/Feet  

N/A
Lock kg/m³ (Lock lb/cu.ft.)

Lower Comfort Foam @ Head/Feet Density vs. Reference 
 

N/A
Lock

Lower Comfort Foam @ Lumbar  

N/A
Lock kg/m³ (Lock lb/cu.ft.)

Lower Comfort Foam @ Lumbar Density vs. Reference 
 

N/A
Lock

Transition Foam  

36 kg/m³ (2.3 lb/cu.ft.)
Lock kg/m³ (Lock lb/cu.ft.)

Transition Foam Density vs. Reference 
 

1.4
Lock

Support Foam  

28 kg/m³ (1.8 lb/cu.ft.)
N/A

Support Foam Density vs Reference 
 

0.9
N/A

Foam Layer Thickness 
 

Foam Layer Thickness Picture  

Novaform ComfortGrande Plus Foam Layer Thickness Picture
Casper Cooling Select Hybrid Foam Layer Thickness Picture Sample

SAMPLE

Join Now

for pictures & test results

Quilted Top 
 

N/A
N/A

Upper Comfort Foam @ Head/Feet  

7.5 cm (3.0")
Lock cm (Lock")

Upper Comfort Foam @ Lumbar  

7.5 cm (3.0")
Lock cm (Lock")

Lower Comfort Foam @ Head/Feet  

N/A
Lock cm (Lock")

Lower Comfort Foam @ Lumbar  

N/A
Lock cm (Lock")

Transition Foam  

7.0 cm (2.8")
Lock cm (Lock")

Support Foam  

21.0 cm (8.3")
N/A

Spring Layer Dimensions 
 

Spring Layer Height Picture  

Novaform ComfortGrande Plus Spring Layer Height Picture
Casper Cooling Select Hybrid Spring Layer Height Picture Sample

SAMPLE

Join Now

for pictures & test results

Spring Layer Density Picture  

Novaform ComfortGrande Plus Spring Layer Density Picture
Casper Cooling Select Hybrid Spring Layer Density Picture Sample

SAMPLE

Join Now

for pictures & test results

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
Lock cm (Lock")

Support Layer Coil Density 
 

N/A
Lock coils/m² (Lock coils/ft²)

Support Layer Coil Gauge @ Head/Feet 
 

N/A
Lock gauge

Support Layer Coil Gauge @ Lumbar 
 

N/A
Lock gauge

Foam Layer Firmness 
 

Comfort Layer IPD  

 Preview Graph
Novaform ComfortGrande Plus Comfort Layer IPD
Casper Cooling Select Hybrid Comfort Layer IPD Sample

SAMPLE

Join Now

for pictures & test results

Transition & Support Layer IPD  

 Preview Graph
Novaform ComfortGrande Plus Transition & Support Layer IPD
Casper Cooling Select Hybrid Transition & Support Layer IPD Sample

SAMPLE

Join Now

for pictures & test results

Quilted Top Fill 25% IPD 
 

N/A
N/A

Upper Comfort Foam @ Head/Feet 25% IPD 
 

2.0 kPa
Lock kPa

Upper Comfort Foam @ Lumbar 25% IPD 
 

2.0 kPa
Lock kPa

Lower Comfort Foam @ Head/Feet 25% IPD 
 

N/A
Lock kPa

Lower Comfort Foam @ Lumbar 25% IPD 
 

N/A
Lock kPa

Transition Foam 25% IPD 
 

3.0 kPa
Lock kPa

Support Foam 25% IPD 
 

4.1 kPa
N/A

Spring Layer Firmness 
 

Comfort Layer Firmness  

Novaform ComfortGrande Plus Comfort Layer Firmness
Casper Cooling Select Hybrid Comfort Layer Firmness Sample

SAMPLE

Join Now

for pictures & test results

Support Layer Firmness  

Novaform ComfortGrande Plus Support Layer Firmness
Casper Cooling Select Hybrid Support Layer Firmness Sample

SAMPLE

Join Now

for pictures & test results

Spring Layer Firmness  

Casper Cooling Select Hybrid Spring Layer Firmness Sample

SAMPLE

Join Now

for videos & test results

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
Lock Pa/mm

Normalized Support Layer Stiffness @ Lumbar 
 

N/A
Lock Pa/mm

Foam Layer Resilience 
 

Foam Layer Resilience Video  

Casper Cooling Select Hybrid Foam Layer Resilience Video Sample

SAMPLE

Join Now

for videos & test results

Quilted Top Fill  

N/A
N/A

Upper Comfort Foam @ Head/Feet  

4%
Lock%

Upper Comfort Foam @ Lumbar  

4%
Lock%

Lower Comfort Foam @ Head/Feet  

N/A
Lock%

Lower Comfort Foam @ Lumbar  

N/A
Lock%

Transition Foam  

40%
Lock%

Support Foam  

43%
N/A

Spring Layer Bounciness 
 

Comfort Spring Layer Bounciness Video  

Casper Cooling Select Hybrid Comfort Spring Layer Bounciness Video Sample

SAMPLE

Join Now

for videos & test results

Support Spring Layer Bounciness Video  

Casper Cooling Select Hybrid Support Spring Layer Bounciness Video Sample

SAMPLE

Join Now

for videos & test results

Comfort Spring Layer Maximum Rebound Height 
 

N/A
N/A

Support Spring Layer Maximum Rebound Height 
 

N/A
Lock cm (Lock")

Check Price

 
California King
Cooling Select Hybrid
SEARCH
Amazon
 
Full
Cooling Select Hybrid
SEARCH
Amazon
 
King
Cooling Select Hybrid
SEARCH
Amazon
Queen
ComfortGrande Plus
SEE PRICE
Novaform
Queen
Cooling Select Hybrid
SEARCH
Amazon
Back to Top

Novaform ComfortGrande Plus

Casper Cooling Select Hybrid

Comments

  1. Comparison
 • Posted 5 hours ago

Novaform ComfortGrande Plus vs Casper Cooling Select Hybrid: Main Discussion

What do you think of these products? Let us know below.


Looking for a personalized buying advice from the RTINGS.com experts? Members have direct access to buying advice on our member forum.

See All Home Discussions
 Share
0 
PreviewBack to editorFormat guide
No comments yet, refresh to see new ones
We make money directly from you via Membership (which gives you access to extra features), when you buy from the RTINGS.com Shop , and when you buy a product after clicking a link to a retailer. Learn more about how we work.
We buy our own products, just like you, mostly from the United States. When a product is discontinued or no longer popular, we sell the review units locally. See what products we currently have for sale.
© 2026 9298-5266 Quebec Inc. All Rights Reserved.