Nike Zoom Ja Fly 3 Track

FEATHERWEIGHT AGGRESSION. The Nike Zoom Ja Fly 3 provides a featherweight feel, especially during 200m sprints. It has a stiffer plate and a new woven upper. The no-sew toe box and asymmetrical tongue accentuate the modernised design. Woven upper construction increases flexibility and support. Asymmetrical tongue wraps the foot for a contoured fit. Seamless toe box for comfort in the starting blocks. Heel insert sits underfoot and works with the flexible, lightweight collar to reduce pressure on the Achilles tendon. Injected Pebax® spike plate has a generative design with an algorithm to determine which zones require stiffness and which flexibility. It has a honeycomb pattern. 8 removable stainless steel spikes provide optimal grip. Eight fixed stainless steel spikes provide optimal grip. Last: X2209 Forefoot Heel Offset: 0 Innovative spike plate is 2.75 times stiffer than the predecessor.