Salomon
Salomon X Ultra 360 Edge
Salomon X Ultra 360 Edge. 29.1mm stack, 383g. Retailer specs verified on Running Warehouse.
PR Run scores
PR Run derived fit scores
100-miler readiness
Will this shoe survive a hundred-mile night? 29.1 mm stack, cushion 3/5
Descent tolerance
Does it save your toenails on long descents? 18.9 mm forefoot, heel counter 4/5
Swelling room
Room to grow when your feet swell? 28.2 mm toebox height
Grit resistance
Does dust stay outside the shoe? 47 BR breathability
Hot-day comfort
How well does it breathe in heat? 47 BR / 33% drying
Achilles-friendly
Kind to a cranky achilles? 10.2 mm drop, heel counter 4/5
Full specs
Drop
10.2 mm
Heel stack
29.1 mm
Forefoot stack
18.9 mm
Weight
369 g
Lug depth
4.5 mm
Plate
No
Waterproof
No
Lab measurements
| Measurement | Value |
|---|---|
| Traction (CoF) | 0.56 |
| Breathability | 47 BR |
| Drying potential | 33 % |
| Flexibility | 15.2 N |
| Torsional rigidity | 16.00 Nm |
| Heel counter | 4/5 |
| Energy return | 46.8 % |
| Shock absorption | 85 SA |
| Softness in cold | 20 % |
| Outsole thickness | 1.9 mm |
| Tongue padding | 15.9 mm |
| Insole removable | Yes |
| Insole thickness | 4.2 mm |
| Reflective elements | No |
Fit intelligence
Toebox width
Narrow toebox (70.9 mm vs 96 mm median)
Toebox height
Tall toebox (28.2 mm vs 25 mm median)
Runs small. Consider a half size up.
Fit numbers from the lab. Swell guidance: foot care.
Questions before you race
Is the Salomon X Ultra 360 Edge good for 100-mile races?
Great. 29.1 mm stack, cushion 3/5. 100-miler readiness score 78/100.
Does the Salomon X Ultra 360 Edge fit wide feet?
No. Toebox is 70.9 mm which is narrow. Look elsewhere if you need width.
What is the drop on the Salomon X Ultra 360 Edge?
10.2 mm, with a 29.1 mm heel stack and 18.9 mm forefoot.
Is the Salomon X Ultra 360 Edge good on wet rock?
Traction coefficient of friction on wet lab surface: 0.56. Elite grip on wet rock.
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swellingRoom: 100/100 (Elite)
descentTolerance: 84/100 (Elite)
gritIngressRisk: 100/100 (Elite)
hotFootScore: 54/100 (Solid)
achillesFriendlyScore: 43/100 (Passable)
hundredMilerReadiness: 78/100 (Great)