Saucony Lady ProGrid Omni 8 Running Shoes Airmesh Upper - for lightweight breathability for your foot, keeing it cool and free from Dual Density SSL EVA Midsole - An advanced EVA blend that maximizes rebound and durability Heel ProGrid with Respon-Tek - This is Saucony's latest impact deflection technology. Hee Premium Sockliner - Breathable, moisture wicking, anti-odor and anti microbial Ortholite i HRC Strobel Board - increases comfort and cushioning in landing and take off.