Saucony Women's Grid Cohesion 4 Running Shoe 100% Synthetic and mesh Rubber sole A running shoe built for the neutral to under-pronator who requires enhanced cushioning Air mesh upper promotes a highly breathable in-shoe environment Lightly padded tongue and collar for added comfort and performance HRC Strobel Board for enhanced cushioning and great step-in feel Non-Visible Grid System midsole for stable heel cushioning