For weighing only nine ounces, the Asics Men's Dynaflyte Running Shoe offers a surprising amount of shock absorption. That's because Asics's new FlyteFoam technology, which is a component of the original Solyte midsole material, uses less foam without hindering the shoe's overall cush. The Dynaflyte sports a supportive 8mm drop with an Impact Guide System suited for underpronators.The Dynaflyte also features a seamless upper that reduces forefoot irritation, while the ComfortDry sockliner for excellent moisture management, breathability, and quick-drying comfort. The footbed is removable to accommodate medical orthotics. Asics High Abrasion Rubber prevents the sole from wearing down too fast.