Description: The inner shell component is made of a new material polyethylene ABS material. The strength meets the EU EN 781 and GB GB2811-2007 anti-collision safety standards. It is more breathable in summer and has a windproof belt in the lower jaw. There is a cushioned EVA foam pad inside the roving. Hats are mainly used in machinery, chemical, industrial and mining, electric welders, maintenance and so on. Specification: Material: cotton + roving Product detailed size: 28x 18cm/ 11.02 x 7.09inch, minimum head circumference 58cm/ 22.83inch Package Includes: 1 Piece hat with lining Note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Photo color might be a little different from the actual product due to color display of different monitors. Thanks for your understanding and enjoy your shopping moment