Asics GT-1000 11 GS trainers feature several key elements to enhance performance and comfort. They typically have a breathable mesh upper that promotes airflow to keep the feet cool and dry. The cushioning system, usually incorporating ASICS' GEL technology, helps absorb shock and provides a comfortable ride. The trainers also have a durable rubber outsole that offers traction and grip on various surfaces.Fastenings: Lace  Width: Standard Uppers: Mesh/Synthetic Linings: Textile Insoles: Textile Outer Soles: Rubber Heel Drop: 8.3 mm Surface: Road Features: Stability Support, Extra Cushioning Country of Origin: Cambodia Manufacture’s Code: 1014A237.021