ASICS Women's GEL-Naomi Running Shoe 100% Synthetic Rubber sole Rearfoot and Forefoot GEL Cushioning System attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle Trusstic System reduces the weight of the sole unit while retaining the structural integrity of the shoe Compression Molded EVA Midsole provides shock attenuation throughout the gait cycle AHAR High Abrasion Rubber is placed in critical areas of the outsole for exceptional durability Synthetic leather and mesh upper is lightweight, comfortable and breathable, enhancing performance and fit