Design: Warpa(TM) upper optimizes containment with lightweight lockdown and allows maximum breathability In-Shoe Comfort: Pelletized Pebax Foam in the midsole creates a springboard in the forefoot by compressing and then rebounding Midsole geometry gets you up on your toes quicker for more momentum and faster turnover Increased midsole foam in the forefoot compresses and springs back for added lift and energy return Traction & Durability: Full-length Pebax plate provides rigidity and a solid platform for energized liftoffs 6-pin spike design in forefoot for enhanced grip on the track Additional Details: Weight: 5.8 oz Designed for 1500m - 10 events on the track or XC