Here is a pair of smart socks that helps you improve your running form and push your body the right way. Sensoria smart socks have 100% textile sensors to monitors your cadence, foot landing technique, and more. The socks connect to a lightweight anklet which relays the data to your mobile phone.
Sensoria smart socks pair with your smartphone to monitor your contact time on the ground, pace, speed, distance, altitude, and location. You get virtual coaching to stay on the right track. A pair costs you under $200.