Fabric: Performance knit Rubber sole Structured arch support, Lightweight design , Reflective accents, Helion superfoam injected CloudTec sole for cushioned, yet responsive movement, Speedboard technology and supportive side panels, Signature speed-lacing system, Designed for running Round toe Description Own any urban run with the all-new Cloudswift sneakers from On. Designed specifically to run on hard surfaces, these trainers boast the brand's HelionTM superfoam and supportive side panels for street-ready cushioning and a soft but responsive ride.