EXCEPTIONAL HEAD AND BRAIN PROTECTION Great safety andcomfort. !All new for 2023 the Leatt 3.5 helmet represents greatprotection design and value! In off-road riding kids' crashes area reality try to keep trauma to a minimum by protecting them the best youcan and invest in a great helmet. Leatt helmets featurecategory-defining 360 ° Turbine Technology the helmet is lined with 360 °turbines which are discs constructed from an energy-absorbing materialdesigned to allow the head to move slightly inside the helmet during acrash 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. 1023011650 M 1023011651 L