ASICS Lyteracer TS 7 Women's Running Shoes Directoire Blue/White/Pink Glow : Taking over for the ASICS Hyperspeed racing shoe, the ASICS Lyteracer(TM) TS 7 is the race-day shoe you want for breaking records. A seamless construction helps to reduce any irritation during the run and cuts down on the overall weight of the shoe, keeping you light on your feet and swiftly on your way to the finish line. Upper: Seamless Construction reduces the potential for irritation and friction caused by traditional stitches and seams. Flat laces reduce irritation and pressure points. Mesh provides flexible breathability. Midsole:SpevaFoam(TM) midsole material improves bounce-back characteristics and decreases midsole breakdown. Trusstic SystemA(R) reduces the weight of the sole unit while retaining the structural integrity of the shoe. Outsole: AHARA(R) placed in critical areas of the outsole provide exceptional durability.