Named after the transcontinental railroad landmark in northern Utah, the Golden Spike celebrates cross country running.Predecessor: None.Support Type: Natural.Cushioning: Minimal feel with extreme flexibility. Surface: Ideal for trail surfaces and cross country.Differential: 0 mm.Built for competitive track and cross-country racers. Hydrophobic mesh and thin synthetic upper materials. Traditional lace-up closure with reinforced eyelets. Thin tongue and slightly padded collar. Breathable fabric lining offers a great in-shoe feel. Stack Height: 15 mm.Rubber outsole with removable 5 mm steel spikes.Imported.Measurements: Weight: 6 ozProduct measurements were taken using size Men's 11, Women's 12.5, width Medium. Please note that measurements may vary by size.