The Spenco Propel + Carbon Performance Shoe Insoles turn your everyday trainer into an elite, race-ready shoe! These insoles are designed by biomechanical experts and feature a carbon plate for forward propulsion and explosiveness with each foot strike. The INergy foam technology provides next-level energy efficiency. It also has a contoured, supportive heel cup and a metatarsal pad for ideal foot alignment.
Carbon plate provides forward propulsion and explosiveness with each foot strike
Responsive INergy foam cushioning creates next-level energy efficiency
If your on the fence about these...they work. I think GameDay insoles are a direct competitor but, these are better. More support and definitely alot more speed. You'll feel the snap from the carbon fiber plate. If your looking for a plush insole, these aren't it. If your looking to add speed, get these.
