ShoesUnder ArmourInfinite Elite 2
Under Armour
Under Armour Infinite Elite 2
Under Armour Infinite Elite 2. 40.1mm stack, 288g. 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? 40.1 mm stack, cushion 5/5
Descent tolerance
Does it save your toenails on long descents? 33.1 mm forefoot, heel counter 3/5
Swelling room
Room to grow when your feet swell? 27.9 mm toebox height
Grit resistance
Does dust stay outside the shoe? 4 BR breathability
Hot-day comfort
How well does it breathe in heat? 4 BR / ?% drying
Achilles-friendly
Kind to a cranky achilles? 7 mm drop, heel counter 3/5
Full specs
Drop
7 mm
Heel stack
40.1 mm
Forefoot stack
33.1 mm
Weight
288 g
Plate
No
Waterproof
No
Lab measurements
| Measurement | Value |
|---|---|
| Traction (CoF) | 0.47 |
| Breathability | 4 BR |
| Flexibility | 17.8 N |
| Torsional rigidity | 15.10 Nm |
| Heel counter | 3/5 |
| Energy return | 72.6 % |
| Shock absorption | 144 SA |
| Midsole softness | 35.0 HA |
| Outsole thickness | 4.0 mm |
| Tongue padding | 5.1 mm |
| Insole removable | Yes |
| Insole thickness | 4.2 mm |
| Reflective elements | Yes |
Fit intelligence
Toebox width
Narrow toebox (71.9 mm vs 96 mm median)
Toebox height
Slightly tall (27.9 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 Under Armour Infinite Elite 2 good for 100-mile races?
Great. 40.1 mm stack, cushion 5/5. 100-miler readiness score 74/100.
Does the Under Armour Infinite Elite 2 fit wide feet?
No. Toebox is 71.9 mm which is narrow. Look elsewhere if you need width.
What is the drop on the Under Armour Infinite Elite 2?
7 mm, with a 40.1 mm heel stack and 33.1 mm forefoot.
Is the Under Armour Infinite Elite 2 good on wet rock?
Traction coefficient of friction on wet lab surface: 0.47. Solid grip on wet rock.
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swellingRoom: 100/100 (Elite)
descentTolerance: 100/100 (Elite)
gritIngressRisk: 84/100 (Elite)
hotFootScore: 23/100 (Weak)
achillesFriendlyScore: 67/100 (Great)
hundredMilerReadiness: 74/100 (Great)