Sleek athletic shoes by On Running. Fits true to size. Features advanced Cloudtec cushioning. Only worn once outside. Brand new. No original box. Key features: Semi-transparent upper with super-soft feel Soft Zero-Gravity foam midsole for comfort Flexible, nylon blend Speedboard® for energy return Improved step-in and heel-hold experience Breathable upper 50% bio-attributed midsole made from renewable materials With 20% less CO2e emissions than standard EVA midsoles Comes in a recycled paper box