Troy Lee Designs SE5 Carbon Lightning Black size M, new, with original box. Full carbon fiber helmet. Features: Dual Density EPS In-mold MIPS® system to reduce rotational forces on the brain during a fall. Expanded polypropylene (EPP) chin bar padding and collarbone suspension system 3 shell sizes, each with 3 separate EPS layers for better fit for different head sizes XT2 3D cheek pads with emergency release system and washable antimicrobial lining for optimal fit Visor screws made of plastic with brass inserts for easy breakaway in case of impact Chin bar with integrated ventilation gills for increased air intake Optimized carbon layup helmet shell Lightweight titanium double D-ring closure