ASICS Lytracer Men's Running Shoes Tai-Chi Yellow/Black : Cross the finish line faster in ASICS LYTERACER(TM) running shoes! The SpEVA(TM) midsole improves rebound by up to 20%, propelling you forward with every step. And the TRUSSTIC SYSTEMA(R) reinforces the middle of the sole, keeping your feet stable and preventing the twisting motion that can lead to injury. Upper: Mesh upper keeps feet cool and dry. Midsole: SpEVA(TM) foam midsole absorbs energy from impact and returns it for maximum propulsion. Mesh insole allows air to circulate. Outsole: Molded super-color AHARA(R) outsole for traction.