The Serial Chiller Women&';s Hat is made from a comfortable 100% cotton. This Salt Life hat features a pre curved bill, performance stretch jersey knit fabric, and a backstrap with slide buckle. 5-Panel Relaxed Unstructured Fit Hat Pre-curved Bill Backstrap with Slide Buckle Front High Density Screen Print Rear Clip Label Content: 100% Cotton Twill with Heavy Garment Wash One Size Fits Most