Helmet and FREE Velocity Goggles; New high-performance certification ECE 22.06; Composite shell in three sizes; Injury reduction technology: Reduces forces associated with head injury; Pro-Fit elastic comfort liner that shapes to your head; Large ventilation channels to keep your head cool even at lower speeds; 4 densities of Impact foam for reduction of forces to head; Visor has breakaway function to reduce forces to head and neck in a crash; X-Static Inner liner is washable, breathable and has moisture wicking anti-odor fabric; Designed to offer great neck brace mobility; Emergency cheek pad removal; Hydration side port (with optional hands-free kit); Includes Visor extension; 360 Turbine Technology: Reduced peak acceleration by up to 30% at impact speeds associated with head injury; Reduces peak rotational acceleration by up to 40%; Certified and tested: DOT+ New 2021 ECE 22.06; 3-year Leatt Helmet Replacement Program. Weight: DOT+ECE from 1.250 50g (2.76lbs); ; Sizing XS (53-54cm 20 -21 "); S (55-56cm 21 -22"); M (57-58cm 22 -22 "); L (59-60cm 23 -23 "); XL (61-62cm 24-24 "); XXL (63-64cm 24 -25 "); ; Plastic Free Recyclable Packaging;