The G.STL sets the new benchmark for innovation, maximum racing performance and comfort. The upper is made from a single piece of microfibre with laser perforation to ensure heat dispersion and a perfect climate.The ANATOMIC HEEL CUP 1.0 with its revised shape and internal anti-slip treatment allows for greater stability and better foot control. Combined with the TARSAL SUPPORT SYSTEM 1.0 that surrounds the heel and shapes the shoe's upper to the profile of the rider's foot, these two technologies work together for unparalleled power transmission and control.INFIT CLOSURE SYSTEM features eight fastening zones that provide infinite adjustability and a precise fit.BOA Li2 The revolutionary new BOA platform offers a sleek, low-profile design, unprecedented durability and improved sustainabili.