The SMAI Karate Kids Chest Guard offers a superior level of  protection due to the density of the padding. Constructed from  thick, heavy duty EVA multi-layered foam this chest guard offers  complete protection. With World Karate Federation approval,  the guard features 4cm thick EVA foam padding. Although not  compulsory for use in competition, the SMAI Kids Chest Guard is  popular as it does not inhibit natural dynamic movement