Mixed-material upper for enhanced durability, breathability & support where you need it. Plush foam sockliner for increased underfoot comfort. Full-length Micro G® midsole turns cushioned landings into explosive takeoffs. Durable rubber outsole uses anatomical traction pattern for superior grip & flexibility. Weight: 9.6 oz.. Lace type: Standard tie. Warning: This product can expose you to chemicals including chromium (hexavalent compounds), which is known in the State of California to cause cancer and birth defects or other reproductive harm.. .