100% Cotton 350 g / m². Pyrovatex treated, the material is flame retardant throughout. The life of the garment. Soft and comfortable quality, good comfort. Metal buttons in front, hinged with flap. fold in back. Chest pockets with push button and flap. Elasticity in the back of life. Side number with relief. Rear pockets with flap. Pen pocket on sleeve. Pressure control on sleeves. Rulerpocket. Knee pad.