Prepare for effortless-feeling everyday runs with the On Running Cloudsurfer 2. This shoe offers the ultimate ride sensation with soft CloudTec® Phase cushioning. Using Finite Element Analysis (FEA) to optimize the midsole's geometry, ON formulated the ultimate ride in a light and durable shoe with buttery-smooth transitions underfoot. The re-engineered upper now features a more breathable mesh construction for improved ventilation. The Helion™ superfoam midsole provides the perfect balance of rigidity and flexibility, delivering a super-smooth, soft, and springy ride. Key Features: Weight: 261g. Breathable mesh upper. Updated tongue construction for a more comfortable fit. Embroidered eyelets and overlays made using recycled yarn. Refined CloudTec® Phase cushioning for a smoother ride. Helion™ superfoam midsole for soft cushioning sensation. Durable, computer-optimized outsole and updated tread pattern. Materials & Transparency: Upper Unit: recycled polyester. Bottom Unit: Midsole: Helion. Outsole: Rubber. Speedboard: None. Technology: CloudTec Phase ®️. Details: Cushioning: Plush. Road running style: Neutral. Lacing: Standard. Heel to toe drop: 9mm.