LS2 Thunder Carbon Alliance HelmetThe LS2 Thunder Carbon Alliance Helmet was designed by a team of engineers in Spain and LS2 riders from Moto 3, Moto 2, WSBK and FIM EWC. The lightweight, aerodynamic pure carbon fiber shell slices through the wind and remains stable on your head. The eye port is tall and extra wide so you have maximum vision in the front and on the sides while riding. The 3mm face shield is race-ready and comes with tear-off posts and uses the Pinlock A Pinlock lens is made to enjoy a fog-free ride. It is based on two key principles to ensure a fog-free vision. The moisture absorbing surface of the lens effectively attracts and stores water molecules, while the airtight seal creates a thermal barrier together preventing condensation of the visor. The system is kept in place by positioning the lens between two adjustable pins, making Pinlock the number one anti-fog solution for helmets. system for the ultimate in fog resistance. The Emergency Quick Release System removable cheek pads are precision cut from one solid piece of high quality foam using LS2's 3D Laser Technology. To ensure you are dry and comfortable while riding, the moisture wicking fabric liner is removeable, washable and the fully adjustable flow-through ventilation allows you to stay cool.Features: 9K Carbon fiber shell Multi-density EPS 3 shell sizes 3D laser cutcheek pads 3mm thickface shield "A Class" polycarbonate face shield is optically correct Face shield is Pinlock and tear-off ready Includes Pinlock lens Double-D ring The Double-D ring closure is THE tried-and-true motorcycle helmet retention system. Consisting of two "D" shaped rings, the rider laces the opposing strap through the closure to secure the helmet. It is strong, simple, reliable and infinitely adjustable. Some helmets use alternative closure methods, but the Double D-ring The Double D-ring closure is THE tried-and-true motorcycle helmet retention system. Consisting of two "D" shaped rings, the rider laces the opposing strap through the closure to secure the helmet. It is strong, simple, reliable and infinitely adjustable. Some helmets use alternative closure methods, but the Double D-ring remains the gold standard for these reasons. remains the gold standard for these reasons.. strap Emergency release cheek pads DOT, ECE and FIM certified