Inov-8
Inov-8 Trailfly Speed
Light and low. Fast on technical ground when you trust your feet.
PR Run scores
PR Run derived fit scores
100-miler readiness
Will this shoe survive a hundred-mile night? 22 mm stack, cushion 2/5
Descent tolerance
Does it save your toenails on long descents? 22 mm forefoot stack
Swelling room
Room to grow when your feet swell? 22 mm heel stack
Grit resistance
Does dust stay outside the shoe? Open mesh, expect grit
Hot-day comfort
How well does it breathe in heat? Standard mesh
Achilles-friendly
Kind to a cranky achilles? 0 mm drop
Full specs
Drop
0 mm
Heel stack
22 mm
Forefoot stack
22 mm
Weight
248 g
Lug depth
4 mm
Plate
No
Waterproof
No
Foam
Powerflow
Best for
Skyraces and fast mountain runs.
Questions before you race
Is the Inov-8 Trailfly Speed good for 100-mile races?
Passable. 22 mm stack, cushion 2/5. 100-miler readiness score 48/100.
Does the Inov-8 Trailfly Speed fit wide feet?
Toebox width has not been measured in the lab yet.
What is the drop on the Inov-8 Trailfly Speed?
0 mm, with a 22 mm heel stack and 22 mm forefoot.
Is the Inov-8 Trailfly Speed good on wet rock?
Lab traction has not been measured for this model yet.
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swellingRoom: 32/100 (Weak)
descentTolerance: 42/100 (Passable)
gritIngressRisk: 45/100 (Passable)
hotFootScore: 24/100 (Weak)
achillesFriendlyScore: 90/100 (Elite)
hundredMilerReadiness: 48/100 (Passable)