A phylon midsole is easily identified by the small wrinkles it shows after use. ... Phylon is made of EVA foam pellets that are compressed, heat expanded and then cooled in a mould. Compression-molded Phylon Midsoles can be sculpted into a variety of designs that are identified by their fine wrinkles. PU or Polyurethane.

What type of shoe sole is best?

PU sole vs EVA sole

On the other hand, the footwear industry still continues to use PU sole for sandals and sneakers as well. Thus, it is not only one of the best shoe soles but also the best one for nearly all types of footwear.

Which sole is better for running?

Running long distances at fast paces requires lightness, which rubber outsoles cannot provide. Fortunately, shoes made of EVA outsoles are light, which makes them the better option for road running. Rubber soles are quite heavy, which tend to overwork the feet and legs, and making it harder for pure speed.