Less than 50 miles on these! New Balance Fresh Foam X More V4 Running Shoes US Men 10 Cobalt Trainer Race Fresh Foam X midsole foam with approximately 3% bio-based content delivers our most cushioned Fresh Foam experience for incredible comfort. Bio-based content is made from renewable resources to help reduce our carbon footprint. Wider platform applies underfoot cushioning to more areas of the foot, balancing comfort, support, and protection Increased rocker for smoother heel/toe strike transitions Engineered mesh upper with zonal support and breathability Data informed outsole placement Screen printed 3D N logo 4 mm drop; due to variances created during the development and manufacturing processes, all references to 4 mm drop are approximate