Light weight, well ventilated & safe. By molding aramid bridges into the construction, POC could create a super lightweight helmet while maintaining structural stability & protection. With six adjustable top vents, two front vents, two rear vents & goggle vents the Fornix’s ventilation system is designed to keep your head cool & your goggles clear of fog. The turn-ring size adjustment system provides a comfortable, snug fit. TECHNICAL FEATURES Efficient, adjustable ventilation Aramid bridge reinforcements for structural stability Goggle vents evacuate steam from your goggles Goggle clip Size adjustment system for a comfortable & snug fit Weight: 420g