The triathlon staple Asics Noosa FF� shoe has been reinvented with a revolutionary FlyteFoam� Technology to create a responsive and lightweight ride. The seamless upper construction features 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. Features Open mesh upper with seamless overlays that reduces the potential for irritation and friction. Independently placed eyelets disburse lace tension, creating a customized fit. Midsole with FlyteFoam technology provides exceptional bounce back and responsiveness. Outsole features blown AHAR Asics High Abrasion Rubber for durability and cushioning. Weight 8.9 oz. Heel Height 24mm. Forefoot Height 14mm. MAY VARY BASED ON SIZE OF SHOE SKU T722N-9085 Material Synthetic Color Black/Green Gecko/Safety Yellow