Asics triathlon staple shoe, the Noosa FF™ 2 has been reinvented with our revolutionary FlyteFoam® Technology to create a responsive and lightweight ride. The seamless upper construction features a technical mesh that permits sockless wear, while the wet-grip outsole and heel/tongue grips allow for easy on/off access - ideal for triathletes looking to make a quick transition between race stages. Weight: 8.4. Heel Height: 24mm. Forefoot Height: 14mm.