Product Information The primary materials that compose this product contain a minimum of 20 percent recycled content. The On-fan favorite re-engineered with 44% recycled content, improved fit, and even more comfort than ever before. 44% recycled textile and synthetic upper. CloudTec® in Zero-Gravity foam for a cushioned landing. Textile lining and insole. Molded heel design holds your foot securely in place. Updated Speedboard® transforms energy into forward motion. Breathable mesh with taped reinforcements. Round toe silhouette. Lace-up closure. Synthetic outsole. Imported.