The company's system comprises a wearable device that measures performance metrics such as torso acceleration, frequency, and feet orientation, and provides feedback in real-time via a smartphone application. Racefox's coaching is based on research from biomechanics and sports science, which allows them to detect and address potential injuries before they happen. The system is designed to improve the performance of both world-class athletes and casual runners and skiers who want to stay in shape and be healthy.