Even during the most extreme conditions, the GEL-Cumulus® 18 G-TX shoe has you covered. The GORE-TEX® upper repels water and dirt - keeping your feet dry and protected throughout your run. For enhanced comfort and a smooth ride, our Rearfoot GEL® Cushioning System is positioned close to the foot, replicating its natural tissue. Weight: 12.1 oz. Heel Height: 23mm. Forefoot Height: 13mm.