Fecha de publicación: 07/04/2021 Fuente: WIPO "abeja" Protective vest characterized in that it comprises: - an external coating (1) made of a non-ceramic material, - an internal auxetic honeycomb structure (2) that has at least four layers (3) with a plurality of trapezoidal units (4), where each layer (3) is internally integrated by at least four sheets of a non-ceramic material, where the layers (3) of the internal auxetic honeycomb structure (2) are arranged two by two facing each other for the formation of internal cells (5) of auxetic configuration; the trapezoidal units (4) having a wall thickness of at least 0.6 mm and a height of at least 2.5 mm, and where the vertices (6) of the trapezoidal units have an angle of 60º . (Machine-translation by Google Translate, not legally binding)