... can be customized Metal lined ventilation holes Reversible Hat Description:Made from 100% cotton, this simple no fuss hat is customers'good choice ... of the crown and lined with an inner fabric sweatband.Made from 100 % Cotton.Crown measures 8.5cm deep. Brim measures 5.0cm ... origin: China More details for your reference: 1.Material: cotton twill,AZD-Free material,canvas,polyester,acylic,mesh,bamboo,wool ...