Tried on only. Incredibly light feel. Developed with insights and experience from top runners, the Cloudboom Echo 3 maximizes the use of the lightest components, weighing in at just 215g. The innovative microfiber upper offers exceptional breathability, wicking away sweat. Light on your feet, but heavy on performance. Helion™ HF hyperfoam CloudTec® Performance in every component Rocker-shaped carbon Speedboard® Superior shock absorption and energy return Ultra-lightweight design (188-215g*) Elite athlete-proven performance Strategically placed anti-slip silicone print and cushioning Seamless, single-piece woven upper is thin and highly breathable. - Brand: On - Color: White/Green/Black - Model Name: Cloudboom Echo3 - Size: 24 Thank you for looking. Gender...Women's