REVIEW PICTURES CAREFULLY. SCRATCH ON THE BACK OF THE HELMET. THIS HELMET IS AN AMAZON RETURN. WHAT IS PICTURED IS WHAT WILL BE SHIPPED NO TAGS NOHELMET BOX SOLD AS IS, ALL SALES FINAL, NO RETURNS. P/N: 1022010171 MX20 EXCEPTIONAL HEAD AND BRAIN PROTECTION The best safety and comfort. In our world, crashes are a reality. Give yourself the best possible chance of keeping trauma to a minimum by selecting the best helmet you can find to protect your head and brain. Leatt helmets feature a category-defining 360 degree Turbine Technology, the helmet is liked with 360 degree turbines, which are discs constructed from an energy-absorbing material designed to allow the head to move slightly inside the helmet during a crash reducing rotational, direct and deflective impact energy. This technology has two key advantages, the reduction of rotational acceleration to the head and brain and the absorption of energy upon impact at concussion level. The 3.5 is both ECE and DOT certified. If you are looking for the latest Leatt helmet range, check out the 7.5, 8.5, and 9.5 models. FEATURES: • Injected Polymer Compound shell in three sizes • Multi-density impact foam • 360° Turbine Technology • Reduced peak brain acceleration by up to 30% at impact speeds associated with concussion • Reduces peak brain rotational acceleration by up to 40% • Moisture wicking, breathable, anti-odor and washable inner liner • Optimal neck brace compatibility • Visor with breakaway function for rotational reduction in a crash • Emergency cheek pad removal • Certified and tested: DOT+ECE 22.05 or JIS T 8133:2015 • Weight: • DOT+ECE from 1.270 ± 50g (2.80lbs)