High-Performance: Optimal shock protection from ZeroRebound™ pads. Rear foot control bar. • DuPont Engage® EVA foam mid layer • ZeroRebound forefoot and heel pads • Rear foot control bar • Perfor-Air™ Ventilation System • Full-length EVA Resin Base layer • Agion™ Antimicrobial treatment • Nylex brushed nylon foot surface