The Nike Air Diamond Trainer is a high-performance baseball training shoe. Lightweight synthetic leather upper with removable tongue flap. Phylon™ midsole with large-volume visible Air-Sole® unit. Aggressive rubber outsole utilizes nubby design preferred by pro-level athletes. Wt. 13.4 oz.
The men's Nike Air Diamond Trainer is a baseball training shoe that has 'nubs' on the outsole for traction. The trainers are normally used for practices since the traction of the metal spike isn't needed for all aspects of baseball training.