Breathable design, ventilation and ventilation.
Foam soles to join the hidden Air suspension system.
Seamless rubber outsole, taking into account the grip and durability.
Shoe collar liner, with a comfortable fit to show the effect.
Like a lot of reviews on here the shoes do run a tad bigger. I have wider feet so the size difference didn't matter. They fit perfectly without squeezing my toes and are incredibly comfortable. (Posted on 11/4/2018)