Weighing 275g this is a great training shoe over any road conditions delivers a fast natural and smooth ride with high levels of comfort protection and grip ultra smooth ride run effortlessly over any road conditions with unique powerflow midsole technology powerflow delivers 10 better shock absorption and 15 better energy return than standard midsoles maximum power transfer iconic inov 8 outsole grip optimized for road running every ounce of energy generated by the body is transferr