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Hippos’ first product is the world’s first intelligent airbag legging — designed to protect the knee, including ligaments, meniscus, or tendons.

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Hippos combines

AI Tracking App

The Hippos app uses AI to track knee movements in real time. It analyzes high impact motions, transforming sensor data into clear analytics and actionable planning on your phone.

Smart Airbag Leggings

Smart leggings with built-in sensors and an integrated airbag system. They constantly monitor knee movements and instantly activate protection at critical moments.
Software

AI Watches your knees

Hippos’ AI builds a personalized motion profile for your knee within seconds of wearing the legging. Protection activates precisely when various motions and patterns are detected during physical activity.
Step 1:
Pair Hippos to your phone via Bluetooth.
Step 2:
Let Hippos’ AI set up your personalized knee profile. The app guides you through simple movements like knee rotation and deep squats.
Step 3:
Calibration completes in seconds — you’re ready to go. From there, the app provides knee insights, real-time alerts, and AI-driven recommendations to help you stay protected.

Hardware

Instant Airbag Protection, Built Into a Lightweight Legging

Once your knee is calibrated by AI, Hippos uses your personalized motion profile to detect external forces and deploy the airbag in under 50 milliseconds
Step 1 / 3

Sense

Multiple sensors track abrupt movements to protect the knee — including varus/valgus angles, rotation, and hyperextension — at high frequency.
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Step 2 / 3

Detect

On-device intelligence instantly detects high impact movement and determines locally whether airbag protection is needed.
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Step 3 / 3

Protect

The micro-airbag deploys in under 50 milliseconds. It absorbs energy and restains excessive motion to help protect your knee.
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How we work
We protect athletes, accelerate recovery, and expand human capabilities.
Companies we affiliate with already:
Santa Clara Broncos
NCAA Division 1
Children’s Hospital  of Philadelphia
SPIRE Elite Academy
In Sports
In Sports
Built for how athletes move — in training and in play. Hippos supports lower limb stability across games, workouts, and multi-sport training — giving coaches and athletes real-time biomechanical intelligence to move with more control, confidence, and speed.
Used across basketball, soccer, skiing, running, and more.
In Defense
In Defense
Protect soldiers under extreme physical demands. Hippos supports lower limb stability during training and operations — including patrol, load carriage, and airborne activity — giving commanders real-time visibility into physical readiness, so the mission doesn't stop because the body did.
Built for unpredictable, high-impact environments.
In Medicine (Coming Soon)
In Medicine (Coming Soon)
Support recovery and personalize rehabilitation.
Hippos assists patients post-surgery and during rehab by providing adaptive joint support and data-driven insights, connecting clinicians and patients through a unified hardware-software platform.
Designed to assist rehabilitation and physical therapy with a more personalized recovery experience.

We care deeply about our community.

Our approach to tackling devastating injuries is simple: bring together people who care — builders, clinicians, athletes, and leaders — to look out for one another and raise the standard of care together.
All Hippos Friends

To become superhuman, you start here.

  • Priority Access
  • Early Software & Feature Access
  • Participate in Elite Athlete Trials
  • Help Shape the Product
  • Fully Refundable, Risk-Free
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