100% Cotton; The Width of Our Hats and the Trench Length 10 cm. Inner Head Diameter 19 cm. It's 39 cm from beginning to end. It's made of 100% cotton fabric. It doesn't make you sweat. Sample Size: S/36/1; Model's measurements: height: 170, bust: 80, waist: 58, hips: 89, size: s/36. /1;;in Studio Shooting, the Colors May Vary Due to the Difference in Lighting.