Asics somehow dropped the highly cushioned Men's Gel Cumulus 16 Running Shoe's weight down to ten ounces without dropping any of its comfortable features. Asics' FluidRide midsole provides 20% more bounce back and 15% less weight than any previous Asics midsoles. The shoe also features an Impact Guidance System that enhances your natural heel strike to toe off, and the Guidance Trusstic System utilizes a vertical flex groove called the Guidance Line to ensure an efficient gait while still providing a well structured midfoot. Asics built the upper out of open mesh to give your foot ventilated airflow, and the ComforDry sockliner wicks moisture, dries quickly, and reduces odor. Gel Cushioning Systems at the rearfoot and forefoot reduce shock, and the DuraSponge sole is a blown out version of Asics High Abrasion Rubber for more comfort. Asics even minimized the eyelets to provide a more finely tuned fit.