Average Weight: 1,280 grams. Helmet Construction: Fiberglass shell. Micro-lock buckle retention system. Stay Cool: Front vents on top of helmet and breathing perforations on face mask. Interior & Linings: Moisture-wicking antimicrobial liner is removable and washable. Compatible with BOOM" Audio 20S Bluetooth® Helmet Headset. Ride-Enhancing Features: Unique 3/4 helmet can be worn two ways for added comfort. For full comfort, add the optional face mask. Or to wear as a ?¥ helmet, remove the face mask. Retractable sun shield features 95% UV protection, anti-fog coating, and anti-scratch coating. Helmet bag included. Manufacturer & Certification: Scorpion. 3/4 shell meets ECE 22-05 requirements. Additional components are for comfort only and do not provide any safety features.