The On-fan favorite re-engineered with 44% recycled content, improved fit and even more comfort than ever before. Updated silhouette with new materials and tech features Breathable antimicrobial mesh with taped reinforcements CloudTec® in Zero-Gravity foam for a cushioned landing Updated Speedboard® transforms energy into forward motion Molded heel design holds your foot securely in place More comfort. More recycled materials. Walking hiking running casual