ASICS Women's GEL-Fluent 2 Running Shoe 100% Synthetic leather and synthetic fiber Rubber sole ASICS forefoot and rearfoot GEL Cushioning System strategically placed at high impact areas in the forefoot and rearfoot for shock absorption Trusstic System links the rearfoot and forefoot and shores the midfoot Compression molded EVA midsole provides shock attenuation throughout the gait cycle GEL Cushioning Systems attenuates shock during impact phase and toe-off phases