
Kiprun Race Ultra 2
$120
Puma Fast Trac Nitro 4
$140
Why is Puma Fast Trac Nitro 4 better than Kiprun Race Ultra 2?
Technical Specifications
Compare features between Kiprun Race Ultra 2 vs Puma Fast Trac Nitro 4
Feature | Kiprun Race Ultra 2 | Puma Fast Trac Nitro 4 |
|---|---|---|
120 $ | 140 $ BEST | |
280 g | N/A | |
Trail Running Shoe | Trail Running Shoe | |
technical and alpine trails, mixed dry, rocky, and muddy terrain | Technical trail and mountain terrain | |
8 mm | 12 mm BEST | |
null mm | N/A | |
null mm | N/A | |
SCF foam providing 38% more cushioning and 10% more propulsion than previous version | NITROFOAM™ responsive cushioning | |
Rubber with 5 mm lugs for grip on all-terrain surfaces | Aggressive PUMAGRIP ATR rubber with deep lugs | |
MATRYX® EVO woven material, light, breathable, and abrasion-resistant | N/A | |
Standard ergonomic insole for comfort during ultra-distance runs | N/A | |
Knitted collar with quick-lace system for snug fit and optimal control | N/A | |
Cushioned midsole protects muscles and joints during long-distance running | N/A | |
5 mm lugs with grippy rubber compound for secure footing on steep and muddy trails | N/A | |
Enhanced cushioning and breathable upper for long-distance comfort | N/A | |
Ultra-distance trail running, technical terrain, long training sessions, and competitive ultra trail races | Technical trail running, rugged ascents and descents | |
More Details | View on Kiprun | View on Puma |

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What does the community think about Kiprun Race Ultra 2 and Puma Fast Trac Nitro 4?
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Visual Comparison
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Comparison Questions
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