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, making these ideal trail running shoes for men Upper features no-sew construction for a sleek fit and feel, with options available in wide shoes for men for enhanced comfort Toe Protect technology helps protect feet from rocks, roots and debris AT Tread outsole provides traction on both paved and off-road surfaces, making these versatile water resistant trail running shoes for men Hydrohesion rubber outsole helps you maintain grip in wet conditions