High performance triathlon shoes featuring technology developed for the premium TR9 range Removal of the lasting board, known as a seamless midsole construction, minimises stack-height and maximises power transfer Featuring an integrated liner for improved sock-less comfort Super wide opening and closure strap with anti-slip notch ensures stress-free transitions Improved ventilation and reduced water-absorption and drying time Glass fibre nylon sole Weight: 250g (size 42) Stiffness rating: 6