The Superfly was once the epitome of sprinting technology and it continues to heavily influence the industry because it works.
The spike plate is the same power sprint platform Nike developed around a decade ago molded from Pebax nylon for its light weight, responsive feel, and durability. The midsole is a wedge of Phylon for just enough cushioning. The upper is where the real changes can be seen. Fuse technology—HFwelded supports across the entire upper that create a web of ultra light support—and a hook-and-loop lock-down strap over the metatarsals make the upper equally supportive with considerably less bulk. The result is a responsive sprint spike that manages both power and speed.
UPDATED Sizes: unisex 5.5–13,14 Weight: 7.3 oz. (w/spikes, men’s 11) Spikes: 8, replaceable Upper: mesh, welded synthetic overlays Innersole: sheet EVA Midsole: full-length Phylon (EVA) Outersole: full-length Pebax spike plate Recommended for: 100–400 meters, hurdles; synthetic surfaces