Casper Snow Max vs Cooling Select Hybrid: Which Mattress Is Better?

Tested using Methodology v1.2

Updated Aug 20, 2026 05:43 PM

This review is in Early access

See Casper Cooling Select Hybrid Review

Mattress Type Hybrid

Bed-In-A-Box Yes

Upper Comfort Foam @ LumbarPolyfoam

Firmness Level Medium-Plush (40 Pa/mm)

Mattress Type Hybrid

Bed-In-A-Box Yes

Upper Comfort Foam @ LumbarMemory Foam

Firmness Level Medium (46 Pa/mm)

Our Verdict

Casper Cooling Select Hybrid

Casper Snow Max

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

Variants

Cooling Select Hybrid (California King)
Cooling Select Hybrid (Full)

Snow Max (California King)
Snow Max (Full)

Review

See Casper Snow Max Review

Check Price

California King

Cooling Select Hybrid

California King

Snow Max

Full

Cooling Select Hybrid

Full

Snow Max

King

Cooling Select Hybrid

King

Snow Max

Queen

Cooling Select Hybrid

Queen

Snow Max

Split King

Snow Max

Twin XL

Snow Max

Main Differences for

Side Sleeping

Threshold

0.10

Side Sleeping

7.6

0.0

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

Full Comparison

Side Sleeping

7.6

0.0

Back Sleeping

7.4

0.0

Stomach Sleeping

7.3

0.0

Longevity

6.3

0.0

Pressure Relief

7.6

0.0

Support

7.3

0.0

Cooling

8.2

0.0

Motion Dissipation

7.9

0.0

Responsiveness

8.7

0.0

Design

Style

Style Picture

SAMPLE

for pictures & test results

Mattress Type

Hybrid

Locked

Bed-In-A-Box

Yes

Locked

Quilted Top Layer

Locked

Grab Handles

Locked

Thickness

29.4 cm (11.6")

Lock cm (Lock")

Performance

Firmness

Head/Feet Firmness

Preview Graph

SAMPLE

for pictures & test results

Lumbar Firmness

Preview Graph

SAMPLE

for pictures & test results

Firmness Video

SAMPLE

for videos & test results

Normalized Stiffness @ Head/Feet

37 Pa/mm

Lock Pa/mm

Normalized Stiffness @ Lumbar

40 Pa/mm

Lock Pa/mm

Firmness Level

Medium-Plush (40 Pa/mm)

Locked

Body Conformity

7.9

N/A

Shoulder Indentation vs. Body Weight

Preview Graph

SAMPLE

for pictures & test results

Body Conformity Picture

SAMPLE

for pictures & test results

Body Conformity Picture 2

SAMPLE

for pictures & test results

Indent @ 50 kg (110 lb)

49 mm (1.9")

Lock mm (Lock")

Indent @ 80 kg (176 lb)

77 mm (3.0")

Lock mm (Lock")

Indent @ 110 kg (242 lb)

95 mm (3.7")

Lock mm (Lock")

Support

7.3

N/A

Pelvis Indentation vs. Body Weight

Preview Graph

SAMPLE

for pictures & test results

Indent Difference @ 50 kg (110 lb)

18 mm (0.7")

Lock mm (Lock")

Indent Difference @ 80 kg (176 lb)

20 mm (0.8")

Lock mm (Lock")

Indent Difference @ 110 kg (242 lb)

19 mm (0.7")

Lock mm (Lock")

Bounciness

7.8

N/A

Bounciness Video

SAMPLE

for videos & test results

Maximum Rebound Height

18.0 cm (7.1")

Lock cm (Lock")

Comfort Layers Envelopment

6.5

N/A

Sinking & Contouring Picture

SAMPLE

for pictures & test results

Sinking Depth

5.4 cm (2.1")

Lock cm (Lock")

Diameter Of Distortion

32.2 cm (12.7")

Lock cm (Lock")

Responsiveness

8.9

N/A

Responsiveness Video

SAMPLE

for videos & test results

Response Time

0.6 s

Lock s

Motion Isolation

7.9

N/A

Motion Isolation Video

SAMPLE

for videos & test results

Head/Feet Motion Isolation

Preview Graph

SAMPLE

for pictures & test results

Lumbar Motion Isolation

Preview Graph

SAMPLE

for pictures & test results

Peak Acceleration @ Head/Feet

1.08 g

Lock g

Dissipation Time @ Head/Feet

0.43 s

Lock s

Peak Acceleration @ Lumbar

3.82 g

Lock g

Dissipation Time @ Lumbar

0.39 s

Lock s

Edge Support

5.7

N/A

Naturalistic Loading Pad Video

SAMPLE

for videos & test results

Naturalistic Loading Pad

Preview Graph

SAMPLE

for pictures & test results

Small Platen

Preview Graph

SAMPLE

for pictures & test results

Naturalistic Loading Pad Indentation

168 mm

Lock mm

Small Platen Indentation @ 0 mm From Edge

189 mm

Lock mm

Small Platen Indentation @ 150 mm From Edge

148 mm

Lock mm

Increased Indentation @ Mattress Edge

41 mm

Lock mm

Cooling

8.2

N/A

Cooling Graph

Preview Graph

SAMPLE

for pictures & test results

Energy Transferred Over 1st Hour

67 kJ

Lock kJ

Energy Transferred Over 8 Hours

172 kJ

Lock kJ

Components

Cover

Cover Picture

SAMPLE

for pictures & test results

Sleeping Surface Material

Polyester, Polyethylene, Spandex

Locked

Removable

Locked

Machine Washable

Locked

Edge Construction

Edge Support Picture

SAMPLE

for pictures & test results

Edge Component

Polyfoam

Locked

Foam Layer Material

Foam Layer Material Picture

SAMPLE

for pictures & test results

Quilted Top Fill

N/A

Upper Comfort Foam @ Head/Feet

Polyfoam

Locked

Upper Comfort Foam @ Lumbar

Polyfoam

Locked

Lower Comfort Foam @ Head/Feet

Memory Foam

Locked

Lower Comfort Foam @ Lumbar

Memory Foam

Locked

Transition Foam

Polyfoam

Locked

Support Foam

N/A

Foam Layer Mass Density

6.3

N/A

Quilted Top Fill

N/A

Quilted Top Fill Foam Density vs. Reference

N/A

Upper Comfort Foam @ Head/Feet

41 kg/m³ (2.6 lb/cu.ft.)

Lock kg/m³ (Lock lb/cu.ft.)

Upper Comfort Foam @ Head/Feet Density vs. Reference

1.7

Lock

Upper Comfort Foam @ Lumbar

41 kg/m³ (2.6 lb/cu.ft.)

Lock kg/m³ (Lock lb/cu.ft.)

Upper Comfort Foam @ Lumbar Density vs. Reference

1.7

Lock

Lower Comfort Foam @ Head/Feet

45 kg/m³ (2.8 lb/cu.ft.)

Lock kg/m³ (Lock lb/cu.ft.)

Lower Comfort Foam @ Head/Feet Density vs. Reference

0.7

Lock

Lower Comfort Foam @ Lumbar

45 kg/m³ (2.8 lb/cu.ft.)

Lock kg/m³ (Lock lb/cu.ft.)

Lower Comfort Foam @ Lumbar Density vs. Reference

0.7

Lock

Transition Foam

25 kg/m³ (1.6 lb/cu.ft.)

Lock kg/m³ (Lock lb/cu.ft.)

Transition Foam Density vs. Reference

0.7

Lock

Support Foam

N/A

Support Foam Density vs Reference

N/A

Foam Layer Thickness

Foam Layer Thickness Picture

SAMPLE

for pictures & test results

Quilted Top

N/A

Upper Comfort Foam @ Head/Feet

3.8 cm (1.5")

Lock cm (Lock")

Upper Comfort Foam @ Lumbar

3.8 cm (1.5")

Lock cm (Lock")

Lower Comfort Foam @ Head/Feet

3.4 cm (1.3")

Lock cm (Lock")

Lower Comfort Foam @ Lumbar

3.4 cm (1.3")

Lock cm (Lock")

Transition Foam

3.4 cm (1.3")

Lock cm (Lock")

Support Foam

N/A

Spring Layer Dimensions

Spring Layer Height Picture

SAMPLE

for pictures & test results

Spring Layer Density Picture

SAMPLE

for pictures & test results

Comfort Layer Height

N/A

Comfort Layer Coil Density

N/A

Comfort Layer Coil Gauge

N/A

Support Layer Height

15.4 cm (6.1")

Lock cm (Lock")

Support Layer Coil Density

268 coils/m² (25 coils/ft²)

Support Layer Coil Gauge @ Head/Feet

14 gauge

Lock gauge

Support Layer Coil Gauge @ Lumbar

14 gauge

Lock gauge

Foam Layer Firmness

Comfort Layer IPD

Preview Graph

SAMPLE

for pictures & test results

Transition & Support Layer IPD

Preview Graph

SAMPLE

for pictures & test results

Quilted Top Fill 25% IPD

N/A

Upper Comfort Foam @ Head/Feet 25% IPD

2.3 kPa

Upper Comfort Foam @ Lumbar 25% IPD

2.3 kPa

Lower Comfort Foam @ Head/Feet 25% IPD

1.5 kPa

Lower Comfort Foam @ Lumbar 25% IPD

1.5 kPa

Transition Foam 25% IPD

2.1 kPa

Support Foam 25% IPD

N/A

Spring Layer Firmness

Comfort Layer Firmness

SAMPLE

for pictures & test results

Support Layer Firmness

Preview Graph

SAMPLE

for pictures & test results

Spring Layer Firmness

SAMPLE

for videos & test results

Normalized Comfort Layer Stiffness @ Head/Feet

N/A

Normalized Comfort Layer Stiffness @ Lumbar

N/A

Normalized Support Layer Stiffness @ Head/Feet

104 Pa/mm

Normalized Support Layer Stiffness @ Lumbar

102 Pa/mm

Foam Layer Resilience

Foam Layer Resilience Video

SAMPLE

for videos & test results

Quilted Top Fill

N/A

Upper Comfort Foam @ Head/Feet

32%

Lock%

Upper Comfort Foam @ Lumbar

32%

Lock%

Lower Comfort Foam @ Head/Feet

Lock%

Lower Comfort Foam @ Lumbar

Lock%

Transition Foam

37%

Lock%

Support Foam

N/A

Spring Layer Bounciness

Comfort Spring Layer Bounciness Video

SAMPLE

for videos & test results

Support Spring Layer Bounciness Video

SAMPLE

for videos & test results

Comfort Spring Layer Maximum Rebound Height

N/A

Support Spring Layer Maximum Rebound Height

42.0 cm (16.5")

Check Price

California King

Cooling Select Hybrid

California King

Snow Max

Full

Cooling Select Hybrid

Full

Snow Max

King

Cooling Select Hybrid

King

Snow Max

Queen

Cooling Select Hybrid

Queen

Snow Max

Split King

Snow Max

Twin XL

Snow Max