Hoka Cielo X1 2.0 Shoes – Heartbreak Hill Running Company。A propulsive ride for pure speed. Used for (1)10k race and (1)Ironman marathon. Does not include speed laces, will put back the original laces. A tip-of-the-spear product tuned for higher tempo pickups, the Cielo X1 2.0 is a must for speed seekers. Engineered with an aggressive forefoot rocker and ultra-responsive dual-density PEBA midsole with snappy carbon fiber plate, this pace-pushing road racer has been finished with a light, breathable upper. Designed with dynamic cutouts for weight savings and a cushioned collar to ensure secure foot lockdown, we’ve employed a sticky rubber outsole for improved traction when chasing those PRs. (From HOKA)