The POC Fornix helmet is light weight, well ventilated, & safe. Constructed using aramid bridge, the helmet can maintain its structure & stability. With six adjustable top vents, two front vents, two rear vents & goggle vents the Fornixs ventilation system is designed to keep your head cool no matter what terrain youre on. Features Efficient, adjustable ventilation Goggle vents Goggle clip Size adjustment system Weight: 420g