ASICS
ASICS Sonicblast
ASICS Sonicblast. 45.4mm stack, 255g. 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? 45.4 mm stack, cushion 5/5
Descent tolerance
Does it save your toenails on long descents? 36.4 mm forefoot, heel counter 2/5
Swelling room
Room to grow when your feet swell? 25.4 mm toebox height
Grit resistance
Does dust stay outside the shoe? 5 BR breathability
Hot-day comfort
How well does it breathe in heat? 5 BR / ?% drying
Achilles-friendly
Kind to a cranky achilles? 9 mm drop, heel counter 2/5
Full specs
Drop
9 mm
Heel stack
45.4 mm
Forefoot stack
36.4 mm
Weight
255 g
Plate
No
Waterproof
No
Lab measurements
| Measurement | Value |
|---|---|
| Traction (CoF) | 0.96 |
| Breathability | 5 BR |
| Flexibility | 24.4 N |
| Torsional rigidity | 21.50 Nm |
| Heel counter | 2/5 |
| Energy return | 68.9 % |
| Shock absorption | 149 SA |
| Midsole softness | 37.5 HA |
| Outsole thickness | 2.0 mm |
| Tongue padding | 0.8 mm |
| Insole removable | Yes |
| Insole thickness | 4.8 mm |
| Reflective elements | No |
Fit intelligence
Toebox width
Narrow toebox (70.1 mm vs 96 mm median)
Toebox height
Category-average height (25.4 mm vs 25 mm median)
True to size.
Fit numbers from the lab. Swell guidance: foot care.
Questions before you race
Is the ASICS Sonicblast good for 100-mile races?
Great. 45.4 mm stack, cushion 5/5. 100-miler readiness score 79/100.
Does the ASICS Sonicblast fit wide feet?
No. Toebox is 70.1 mm which is narrow. Look elsewhere if you need width.
What is the drop on the ASICS Sonicblast?
9 mm, with a 45.4 mm heel stack and 36.4 mm forefoot.
Is the ASICS Sonicblast good on wet rock?
Traction coefficient of friction on wet lab surface: 0.96. Elite grip on wet rock.
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swellingRoom: 100/100 (Elite)
descentTolerance: 100/100 (Elite)
gritIngressRisk: 66/100 (Great)
hotFootScore: 24/100 (Weak)
achillesFriendlyScore: 65/100 (Great)
hundredMilerReadiness: 79/100 (Great)