The Trans Boa combines timeless cycling style with the latest materials to redefine performance at this price. It starts with a perforated, breathable microfiber and mesh upper that conforms to your foot, with a Boa L6 closure dial for fast, intuitive adjustment. Then we add a robust Easton EC70 carbon composite outsole with replaceable heel pads to get the most out of your pedal stroke, without sacrificing long-term durability.