Modular, four intake vents and two exhaust vents for adjustable ventilation options. Lighter weight reduces rider fatigue and improves rider comfort, and exceeds both DOT and ECE certification requirements. Compatible with Boom! Audio 20S Bluetooth helmet headset to enable connectivity through a mobile phone, and communication with other riders. Current H-D customers may transfer a headset they already own. Rider can easily add this technology to the helmet. Manufacturer & Certification: J-Tech. Exceeds DOT/ECE. Advanced, ultra-lightweight composite materials. Average Weight: 3 lbs 6oz or 1,630 grams. A lightweight motorcycle helmet that's heavy on features.