ASICS Women's GEL-1150 Running Shoe Synthetic and mesh 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 SpEVA Midsole Material improves bounce back characteristics and decreases midsole breakdown DuoMax Support System enhances support and stability, positioned sport specifically DuraSponge outsole enhances cushioning and durability in the forefoot