3D foot motion
Accelerometers and gyroscopes track acceleration, roll, pitch and yaw across each stride.
Storm S · Smart shoe
Redefine what's possible.
Intelligence beneath every step, engineered to make movement visible.
0104
It all starts with one step
One shoe. Every environment.
From city streets to steep trails, Storm S understands how you move—not by guessing from your wrist, but by measuring every contact beneath your feet.
Kinematics + kineticsYour movement,
Your movement,
made visible.
A 9-axis IMU, barometric altimeter and plantar pressure matrix combine through sensor fusion to map how each foot moves and meets the ground.
Storm S · Live Connected
Current pace4:42/ km
Speed12.8 km/h
Elevation684 m
Climb rate+8.4 m/min
Impact force1.7 × BW
Direction318° NW
Temperature31.6 °C
Left pressure
Right pressure
Pressure & force
The pressure matrix maps center of pressure, ground contact and load distribution beneath the foot.
Speed & direction
Sensor fusion combines motion and compass data, while each foot strike helps correct drift.
Climb & elevation
A barometric altimeter measures stairs, ascent, descent and vertical movement over time.
The Star Flash app
Every step tells a story.
Connect Storm S to see live readings, compare sessions and understand how your movement changes across terrain.
Storm SLive session
3D
motion
motion
Balanced stride96%
Storm S · Six colorsOne form.
Shop Storm S →One form.
Your expression.
Storm S · Interactive 3D
See every angle.
Drag to rotate, pinch or scroll to zoom, and inspect Storm S in three dimensions.
Drag · rotate · zoom
Storm S · Smart shoeReady to explore
Smart Foot Pads
Intelligence you can replace.
Replacement sensor-equipped foot pads for Storm S. Keep your movement data beneath every step.
$220