Products
Tested using Methodology v0.10
Updated Jun 09, 2026 02:18 PM
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Amazon
Tested using Methodology v0.12
Updated Jun 17, 2026 07:56 PM
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Amazon
Weight
244.4 g (8.62 oz)
Heel-To-Toe Drop
7.0 mm
Plate
3/4-Length Plastic Plate
Weight
194.9 g (6.87 oz)
Heel-To-Toe Drop
4.6 mm
Plate
Plastic
Our Verdict
PUMA Deviate NITRO 4
Skechers Aero Razor
The Skechers Aero Razor and PUMA Deviate NITRO 4 are both plated trainers built with faster running in mind, but they feel different underfoot. The Skechers is much lighter, lower, and more cushioned, with a plastic plate and aggressive rocker that make it feel quick and easy to turn over. The PUMA is heavier and firmer, with a 3/4-length plastic plate and a more stable platform, and requires runners to work harder for their rewards.
Variants
- Deviate NITRO 4 (Apple Spritz/Lux Lime - (Men - US 9))
- Deviate NITRO 4 (Black/White/Silver - (Men - US 9))
- Aero Razor (Black/Multi - (Men - US 9))
- Aero Razor (Black/Multi - (Women - US 7))
Main Differences for
Half/Full Marathon Racing
Half/Full Marathon Racing
Threshold
Half/Full Marathon Racing
6.7
7.8
Weight
6.6
8.3
Forefoot Stack Height
28.2 mm
31.8 mm
Forefoot Long Run Cushioning
5.7
7.2
Heel Stack Height
35.2 mm
36.4 mm
Plate
3/4-Length Plastic Plate
Plastic
Full Comparison
Design
Weight
6.6
8.3
Right Shoe Weight Photo
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Left Shoe Weight Photo
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Weight
244.4 g (8.62 oz)
194.9 g (6.87 oz)
Stack Heights
Stack Height Photo
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Heel Stack Height
35.2 mm
36.4 mm
Forefoot Stack Height
28.2 mm
31.8 mm
Heel-To-Toe Drop
7.0 mm
4.6 mm
Advertised Heel-To-Toe Drop
8.0 mm
4.0 mm
External Shape
3D Model Full Shoe
Preview 3D
Preview 3D
Outsole Heel Width
86 mm (3.4")
89 mm (3.5")
Outsole Arch Width
67 mm (2.6")
52 mm (2.1")
Outsole Forefoot Width
107 mm (4.2")
112 mm (4.4")
Heel Width-To-Stack Ratio
2.44
2.44
Forefoot Width-To-Stack Ratio
3.79
3.52
Internal Shape
3D Model Internal
Preview 3D
Preview 3D
Internal Length
274 mm (10.8")
279 mm (11.0")
Internal Heel Width
67 mm (2.6")
66 mm (2.6")
Internal Forefoot Width
91 mm (3.6")
96 mm (3.8")
Wide Sizing Available
Yes
No
Forefoot Fit: Width
9.6
9.3
Forefoot Width Photo
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Ball-Of-Foot TTS Deviation
0.2 mm (0.009")
3.5 mm (0.139")
Toe TTS Deviation
-2.0 mm (-0.078")
0.4 mm (0.017")
Forefoot Fit: Height
6.4
4.8
Forefoot Height Photo
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Toe TTS Deviation
-4.4 mm (-0.171")
-6.1 mm (-0.239")
Arch Fit: Width
6.6
9.7
Arch Fit Photo
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Arch Width TTS Deviation
-5.1 mm (-0.201")
-0.8 mm (-0.033")
Length Fit
10
10
Toe Clearance Photo
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Heel Rocker Geometry
8.3
Heel Rocker Photo
Heel Spring
33 mm (1.3")
Heel Apex Position
30.1%
Heel Rocker Angle
20.1°
Forefoot Rocker Geometry
8.5
Forefoot Rocker Photo
Toe Spring
65 mm (2.6")
Toe Apex Position
59.9%
Forefoot Rocker Angle
28.4°
Other Features
Other Features Photo
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Tongue Gusset Type
Semi-gusseted
Fully-gusseted
Plate
3/4-Length Plastic Plate
Plastic
Performance
Heel Compression Energy Return
6.8
7.3
Heel Compression Video
Heel Energy Return
Preview Graph
Preview Graph
Heel Energy Return
75.5%
77.4%
Forefoot Compression Energy Return
7.7
7.7
Forefoot Compression Video
Forefoot Energy Return
Preview Graph
Preview Graph
Forefoot Energy Return
79.3%
79.1%
Heel Cushioning
6.6
7.8
Heel Cushioning Picture
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Heel Cushioning
Preview Graph
Preview Graph
Energy Absorbed At 550N
3.21 J
3.05 J
Energy Absorbed At 1100N
8.29 J
9.89 J
Energy Absorbed At 1900N
13.66 J
17.69 J
Forefoot Cushioning
6.4
8.4
Forefoot Cushioning Picture
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Forefoot Cushioning
Preview Graph
Preview Graph
Energy Absorbed At 800N
4.09 J
5.09 J
Energy Absorbed At 1300N
6.83 J
9.17 J
Energy Absorbed At 2050N
9.84 J
13.62 J
Heel Firmness
6.5
8.2
Heel Firmness
Preview Graph
Heel Firmness Graph
Preview Graph
Firmness At 550N
56.4 N/mm
49.4 N/mm
Firmness At 1100N
131.8 N/mm
55.7 N/mm
Firmness At 1900N
308.5 N/mm
75.5 N/mm
Forefoot Firmness
8.8
7.5
Forefoot Firmness
Preview Graph
Forefoot Firmness Graph
Preview Graph
Firmness At 800N
129.0 N/mm
55.4 N/mm
Firmness At 1300N
265.9 N/mm
70.5 N/mm
Firmness At 2050N
524.6 N/mm
97 N/mm
Forefoot Long Run Cushioning
5.7
7.2
Forefoot Long Run Cushioning
Preview Graph
Preview Graph
Energy Absorbed At 10km
6.30 J
7.94 J
Energy Absorbed At 20km
6.11 J
7.72 J
Energy Absorbed At 30km
5.98 J
7.57 J
Energy Absorbed At 40km
5.89 J
7.44 J
Rocker Stiffness
6.1
Forefoot Rocker Stiffness Video
Forefoot Rocker Stiffness Graph
Preview Graph
Force To Flatten The Rocker
63 N
Forefoot Bending Energy Return
7.9
Forefoot Bending Video
Forefoot Bending Energy Return
Preview Graph
Forefoot Bending Energy Return
71.1%
Forefoot Bending Stiffness
7.2
Forefoot Bending Resistance Picture
Forefoot Bending Resistance
Preview Graph
Forefoot Bending Stiffness
13.9 N/mm
Forefoot Bending Force
269 N
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PUMA Deviate NITRO 4
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Comments
PUMA Deviate NITRO 4 vs Skechers Aero Razor: Main Discussion
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