The Henry Runner / Mesh / Blacktop – YORK Athletics Mfg。Our bottom unit is made from a lightweight, highly responsive EVA foam compound that transform impact into energy to propel you forward. This \"springboard effect\" allows you to run or train longer and harder than ever before A breathable air mesh that promotes maximum ventilation to keep your feet cool during any run or training session. No more hot, sweaty feet! BREATHABLE KNIT Creating a slipper like fit, this breathable 2-way stretch jersey knit keeps your feet cool during any run or training session. No more