Feature: The tenth generation of the GEL-Noosa Tri™ series keeps the energy amped up to encourage runners and triathletes alike to pick up the pace. The completely new update flaunts a speedy tooling built with new lighter weight Solyte® and a Propulsion Trusstic® for a quick toe-off. The sleek upper design features Seamless Construction and technical engineered mesh for sockless wear, and optional elastic laces and heel and tongue grips make transition a breeze. Weight: 9.9 oz. Heel Height: 20.5mm. Forefoot Height: 10.5mm.