- 100% Synthetic
- Synthetic sole
- Lace-up running shoe in breathable mesh featuring padded tongue and collar
- Fusion compound midsole with 4-mm heel-to-toe drop
- Fascia band mimics natural "windlass effect" of the foot and Achilles
- Terradapter heel absorbs impact energy
- Close-fitting heel that locks the shoe in position
An efficient, fast racer and trainer, the Road-X-Treme series uses the latest athlete insight to create a smooth and functional ride with a stripped-back design to keep the weight down and speed up. Ready for race day, the Road-X-Treme 220 features a stripped-back outsole design that balances grip and protection with weight.