Designed to protect your brain from rotational (the most common) impacts, the lightweight Aerocore construction of this helmet provides an increased level of protection at a minimal weight. The adjustable vents allow use throughout the seasons, and the sweat wicking X-Static lining keeps you dry and prevents odor.??. . . . . . MIPS polycarbonate shell. . EPS impact foam. . Aerocore construction with Koroyd. . AirEvac 2 ventilation with Regulator adjustable vents. . X-Static moisture-wicking and anti-odor lining. . Adjustable Dial Fit System (DFS2). . Snapfit SL2 ear pads. . 715757489519 20019800032 H16-CAMBMIPS