ASICS GT-1000 5 GS GR Running Shoe 100% Textile/Synthetic Imported Rubber sole Rear foot gel cushioning system: attenuates shock during impact phase and allows for a smooth transition to midstance Duomax support system: a dual-density midsole system positioned to enhance support and stability Trusstic system: reduces the weight of the sole unit while retaining the structural integrity of the shoe Reinforced stitched toe cap