Nike Zoom Victory 2 - Men'sThe Zoom Victory 2 track spike is built for the athlete looking for the complete package of performance, innovation, and speed for events ranging from 800m-5000m. Dynamic Flywire technology wraps around the midfoot to provide secure lockdown. New tongue construction and AMI mesh offers a lightweight, innovative fit. Lightweight Phylon? midsole helps give cushion for the footstrike, while offering a quick rebound off the track. Half-length Pebax? spike plate with carbon fiber midfoot shank offers an aggressive and responsive lift off the track for middle-distance events. Includes 1/4" pyramid spikes and a wrench. Wt. 4.0 oz.