The Asics GT-1000 7 G-TX Womens Running Trainers are designed with a breathable textile upper with synthetic overlays, along with a comfortable textile lining. Also coming with FlyteFoam midsole technology and SpEVA foam 45 lasting. The other many features include; Guidance Line midsole technology. Trusstic system technology. EVA Ortholite sockliner. Rearfoot GEL technology cushioning system. DuoMax support system. I.G.S. (Impact Guidance System) technology. G-TX Gore-Tex rubber density outsole. Nightime reflectivity lets you keep going in low light conditions. Asics branding to sides and heel. Colour: Black Material: Upper: Textile, Other, Lining: Textile, Outer: Other Code: 1012A031-001