Fly out of the starting blocks with the lightweight Nike Zoom JA Fly 3 in Barely VoltHyper OrangeDynamic Turq, featuring Pebax spike plate for engineered variable stiffness. The Nike Zoom JA Fly 3 returns to the lanes with a finetuned, featherlight feel, specifically designed for 200m sprinters.Updated with a variable, stiffer plate and a new woven upper, the nosew tip and asymmetrical tongue highlight the modernized design. Woven upper construction increases flexibility and support. Asymmetrical tongue wraps the foot for a contoured fit. Seamless toe tip for comfort in the starting blocks. Heel counter sits low on the foot and works with a flexible, lightweight collar to reduce pressure on the achilles tendon. Lowprofile, Phylon midsole wedge helps provide cushioning, comfort and a smooth transition. Injected Pebax spike plate has a generative design that uses an algorithm to identify where zones of stiffness and flexibility are needed. It has a honeycombinspired pattern. 8 removable spike pins made of stainless steel deliver optimal grip. Last X2209 Offset 0 Innovative spike plate is 2.75 times as stiff as its predecessor.