The One K Defender Pro is a helmet that exemplifies a perfect combination of advanced technology and pleasing aesthetics. Its standout feature is a retractable, shatterproof polycarbonate sunshield. These built-in sunglasses are perfect for sunny climates, or for protecting eyes from wind, dust, and debris. It is ASTM/SEI dual certified, with a lightweight shell (polycarbonate and ABS composite injection-molded), a removable anti-microbial liner, and superior ventilation covered by a stainless steel mesh. It has a suede and finish that comes in black or navy.