Pu gel insolefeature a ergonomically shaped heel cup and cushioned arch support to provide the stability needed while participating in high impact activities.Pu gel insole PU5 is clinically proven to absorb shock forces and help provide immediate relief from foot discomfort.1.Anti-shock gel insert. 2.Anti-Bacteria 2.Cushioned arch support 3.Longitudinal arch support 4.Soft metat