Design & Style: They feature a sleek silhouette with a low-cut design. Some versions have a semi-transparent upper.Comfort & Technology:The shoes incorporate On's proprietary CloudTec® technology, which uses hollow cylindrical elements (Clouds) in the outsole to compress for a soft landing and strong take-off.A flexible, nylon-blend Speedboard is included for a responsive stride.The midsole is made with soft Zero-Gravity foam, with some versions using 50% bio-attributed foam from renewable materials.They provide improved step-in and heel-hold for exceptional comfort.Materials & Sustainability: The sneakers emphasize sustainability, incorporating recycled materials, such as 100% recycled polyester and TPU in some models.Outsole: The outsole features a newer CloudTec design with more rubber coverage and a broader contact area for stability.Flexibility: The shoe is designed to be comfortable right out of the box, with a flexibility similar to an average walking shoe