The ON Cloudflyer 5 “Stone Glacier” is a stability‑focused road running shoe designed for runners who want support, cushioning, and comfort over longer distances or daily training. It features a dual‑density Helion™ midsole that’s firmer in the heel for stability and softer in the forefoot for smoother push‑offs, helping absorb impact and reduce fatigue on extended runs. The shoe has a wide platform and molded heel counter for added support and balance, plus a plush padded ankle collar and dual‑density sockliner for enhanced step‑in comfort. The engineered mesh upper uses a high proportion of recycled polyester for breathability and sustainability. The Stone Glacier colorway pairs neutral stone tones with glacier accents for a versatile look.