On Running Women’s Cloudventure Size 8 Twilight| Açaí Worn a few times, given as a gift but was given the wrong size. The third-gen Cloudventure is the perfect match for the most technical trails. With disruptive tech like Helion™ superfoam, a new slingshot Speedboard® and improved Missiongrip™M, it gives you great grip and soft cushioning for steep climbs and fast downhills.