On Cloudboom Max Womens is a marathon-focused pair of running shoes built for a snappy, energy-returning feel over long road sessions. It combines Cloudtec cushioning with Helion Hf hyper foam to soften impact while keeping the ride quick and responsive. A glass fiber-infused Speedboard adds support and helps maintain efficiency as fatigue builds. The breathable mesh upper is designed to adapt to foot movement, supporting steady comfort from training runs to race day. Tuned for marathon training with a fast road-running setup Cloudtec cushioning designed to keep transitions quick and smooth Double layer of Helion Hf hyper foam that rebounds energy stride after stride Glass fiber-infused Speedboard that promotes efficient toe-off and stable support Lightweight mesh upper that increases airflow on longer runs Upper structure that adjusts with the foot to reduce distraction over distance Padded heel construction that improves comfort during high-mileage efforts Rubber outsole that adds de