Northwave tri sonic triathlon shoesthese northwave tri sonic road shoes feature a carbon reinforced sole a fast drying triathlon specific upper and an omega heel retention system these features combine to save precious seconds during competition features nrg air carbon reinforced sole with a stiffness index of 80 and 5 vents for perfect airflowspd pedal compatible cleat plate not includedtriathlon specific upper made of fast drying microfibre with an easy entrance system that saves second