EN388: 2.2.3.1 EN420. Classic glove used in a wide variety of industries including construction, forestry and for general handling. Cow split leather patch palm with vein protection provides good tear resistance while cotton backing increases comfort and ventilation. - EN388: 2.2.3.1 EN420. Classic glove used in a wide variety of industries including construction, forestry and for general handling. Cow split leather patch palm with vein protection provides good tear resistance while cotton backing increases comfort and ventilation.