LIGHTWEIGHT SLIM AND SUPER VENTEDThe ReaFlex Chest Protector is a lightweight, CE certified impact protector with padded side protection.The impact material is Leatt developed, ReaFlex, that Reacts, absorbing energy under impact but is extremely comfortable due to its Flexibility. This is used for the chest and back, and gives optimal protection, comfort, and ventilation. A longer back will offer coverage all the way down to give you confidence to take on new challenges. Can be used with and without a Leatt Neck Brace.Has a Leatt protection score of 9 out of 25, next step up in protection level would be the Body Vest 3DF AirFit Evo.