Highly protective hybrid featuring a hard plastic outer shell with SmartShock? impact absorbing foam inside, Perforated neoprene chassis for breathability, Strategically placed perimeter embossed foam padding with ventilation, Tacky silicone elastic webbing to prevent slippage, Hook-and-loop thigh and calf closures with security cinch, Pre-curved chassis for attack position, Fortified injection molded plastic shields, Spandex joint for ease of movement