La Sportiva - Cardiff (Rust/Gray) - Men's: A lively multi-purpose running shoe great for everyday training. Adept in any terrain, the Cardiff is a great training shoe for road runners that cross train on multiple surfaces for ultras, marathons, and mid-length trail races. Synthetic leather and AirMesh upper with UreTech panel reinforcements for durability. Dual-density midsole has a MEMlex medial post which controls the rate of pronation. A tuned shock absorbing ride from the decoupled heel-strike zone, built-in flex zones, TrailShock pod, and nylon molded shank. Frixion AT outsole for a smooth feel on hard fire roads or pavement, a Trail Bite heel for excellent downhill braking off road, and 3.5mm trail lugs for lightweight grip on dirt, mud, and snow. Slip Lasted Strobel construction. Tempo Last. Shoe weighs 1lb 6oz.