Flywire technology, fused materials, and a midstrap wrap over the foot for a lock-down fit. Full-length Phylon midsole offers responsive cushioning and the anatomical heel allows natural foot movement. Midfoot shank provides stability and propulsion to ignite your step and power your throw. Full-length Pebax plate with 11 spikes ensures powerful traction. Includes 5/16" pyramid spikes and a wrench. Wt. 15.6 oz.