Road Trail Run: Diadora Mezzofondo Mid Distance Track Spike 。NEW WITHOUT BOX SIZE: US 7.5 / EURO 40.5 high-performance sprint spike perfect support grip designed for the serious athlete lightweight and breathable design optimal energy distribution modern design • Intended Use: These spikes are designed for middle-distance track events, typically ranging from 800 to 1500 meters. Some sources also mention they can be used for events up to 10,000 meters. • Features: The shoes are known for their lightness, snug fit, and ventilation. They feature a breathable mesh upper with synthetic reinforcements and a durable outsole. • Spikes: The sole plate has six spike receptacles in the forefoot. Note that the spikes themselves are often sold separately and not included with the shoes. 2590W232