This cotton Mao Cap by Kooringal boasts UPF 50 . A weathered look, great for any occasion. 100% Cotton One size fits most 59 cm and is adjustable Moisture wicking internal hat band Great classic mao hat in exceptional quality cotton. Adjustable back detail. Design Features Back Adjuster - Metal Logo Clamp Back Adjuster - Self Fabric Metal Eyelets Logo - Woven Trim Internal Features Lining - Cotton Logo Print Moisture Wicking Sweatband Fabric 100% Cotton Lining 100% Cotton Sizes One Size