What spikes does IU wear? I saw them run last weekend but can't remember which spikes there distance guys were wearing. Is the the XCS 2?
http://www.runningwarehouse.com/descpageMRS-AXCS2M2.html
Also I would like to get a pair for Adizero to wear as speed shoes/flats for workouts, road races, long track races. Which Adizero would be best for this?