The Ballista 2 explodes onto the middle distance scene with to help you set new records. A lightweight racing spike designed for middle distance track and field events. Woven upper allows more flexibility. Lace-up closure. Thin comfort tongue and slightly padded collar. Soft fabric lining offers a great in-shoe feel. Lightweight foam insole. Firm multi-compound outsole plate with six removable metal spikes for enhanced pop off the toe. Imported. Measurements: Weight: 5 oz Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.