Synthetic/mesh construction. Toe Protect technology helps protect feet from rocks, roots and debris. Two-part midsole offers durability. Adjustable lace closure for a customized fit. 4mm drop. The Fresh Foam X Trail More v3 is New Balance’s premier trail running shoe that can do it all. Utilizing mesh and synthetic fabrics for a breathable upper, the shoe features a two-part midsole that provides additional comfort during your daily activities. Along with the brand’s Toe Protect technology that keeps your feet safe from rocks and debris, the shoe also features a 4mm drop guaranteeing you a smooth ride on all terrains.