Helmet SMITH Mission matte black 2020/21 Lightweight construction: one-piece design made of shell and EPS foam Breathable material interior with Koroyd technology (absorbs energy on impact) Certification: ASTM F 24, CE EN 177: 27 CLASS B, CPSC, CE EN178 Designed for perfect integration with Smith glasses for maximum comfort AirEvac ventilation system ™ Easy one-handed ventilation adjustment 14 lockable Snapfit SL2 Ear Pads - removable,