Good to know
- Mizuno’s 4th iteration of the Prophecy is treated with several significant changes. Gone are the welded overlays as Mizuno goes back to synthetic versions that are mostly stitched on. This includes the Runbird logo, which is now directly attached to the eyelet row on both sides of the foot. The very effective midfoot lockdown is also because of underlays that are directly connected to the eyelet rows from the midsole.
- A very fine mesh covers the honeycomb pattern of the upper. While breathability is enhanced, the fine mesh also helps keep dirt off.
- In this version, Mizuno makes the tongue material very soft as an answer to past issues of irritation caused by the poor material quality in this part. Runners can do whatever lacing technique they want without fear of hot spots because of this enhancement. Of worthy note is the more plush interior for enhanced comfort.
- The full-length Infinity Wave is also improved. It runs farther in the forefoot than the previous model. This creates better compression for a softer cushioning in the forefoot and better flexibility.
- Lastly, the heel has a new patch signifying the Infinity Wave. It also provides the shoe with the reflective material needed for low-light conditions.
The upper fit is greatly improved in this version. Enhancements make midfoot security excellent while the heel remains comfortably snug. Fans of this line should still be able to have plenty of room for toe splay. Runners with inflexible or flat feet will have no trouble squeezing into the shoe. Medium is the available width of the shoe. The shoe’s length is standard.
The outsole is fairly ordinary for a very expensive shoe. There isn’t much action going underfoot except for the trademark X-10 carbon rubber in the segmented crash pad for durability and a little more traction.
The forefoot is covered with softer blown rubber. Mizuno uses flex grooves in the medial and lateral side of the forefoot to help with the cushioning and flexibility of the shoe.
The Infinity Wave stretches from the heel to the toes. Mizuno uses two plates that are separated by rubber. As the runner lands or gathers before take-off, the plates compress on the rubbers to attenuate shock and to give that sense of responsiveness. Providing main cushioning duties is the full-length U4ic midsole that Mizuno markets as 30% lighter than their previous foam called the AP+. It is very light without compromising durability. Adding some shock dispersal features is a small segment of foam in the heel.
Mizuno revamped the upper by putting a very fine scree on top of the woven pattern. As such, this is a very breathable upper that ensures a cool and sweat-free run. There are now synthetic overlays that are stitched in different places. Because of the firm ride, Mizuno places a plush insole on top of the EVA strobel. A semi-flat lace clinches the fit while a patch in the heel features reflective materials.