Information taken from the company’s website:Experience serious comfort with a patented CloudTec® cushioning in Zero-Gravity foam. Designed for soft landings and powerful push offs.Key features~Weight: 203g~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**Light soil markings can be seen throughout, some wear can be seen on the soles.