Louis Garneau - LG P-09 Bike Helmet Features in-mold construction with 4 vents, inner evacuation channels, retractable ear, and textured front for better laminar airflow. Spiderlock Pro TT stabilizing system and and Pro-lock adjustment straps allow for a customized fit. Icefil padding helps keep your head cool. Includes P-09 lens for eye protection. Meets CPSC, ASTM, CEN, and AS safety standards for biking. Weighs 350g (12.4oz).