- Leather
- Imported
- Synthetic sole
- Weight: 5 ounces; Runner type: track; Midsole drop: 5.5 mm (heel: 14.5 mm / forefoot: 9 mm)
- boost is our most responsive cushioning ever: The more energy you give, the more you get
- Synthetic and textile upper
- Asymmetrical plate design for balanced support on curves
- Decoupled heel for better shock absorption
Maintain your speed throughout your competition with these lightweight middle-distance track and field spikes. The asymmetrical design provides added stability for curves and straightaways, while the boost midsole provides exceptional energy return.