Upper: 86% Textile, 14% Synthetic. Outsole: 70% Rubber, 30% Ethylene-Vinyl Acetate (EVA) Light and flexible is the name of the game here. A lot of mesh for breathability and Charged Cushioning® to help protect against impact. Just put them on and run for miles. Size 5 (38.5), 6 (40) 7 (41.5) 8 (42.5)
