100% Polyester Coolmax® fabric sweatband. Semi-curved peak. Slide adjuster and elasticated band fastening. Tearaway label. He... 100% Polyester Coolmax® fabric sweatband. Semi-curved peak. Slide adjuster and elasticated band fastening. Tearaway label. Head circumference: 58cm. The visor is made from recycled polythene, which is a tough, light and flexible resin. The recycled polyester used is equivalent to 0.9 bottles of 330 ml.