For runners seeking to increase speed, improve their stride mechanics and remain uninjured, Nurvv Insoles are made for you. These connected footbeds feature 32 digital sensors that measure & track running data right at the source—your feet. Measuring cadence, step length, foot strike, pronation and asymmetry, they keep you informed. An app-based coaching component uses your data to provide personalized feedback, coaching, & custom workouts to help you improve.