100% BRITISH MILLERAIN WAXED COTTON - waxed cotton provided by the originators and leading finishers of the world famous fabric. With 140+ years of experience. WATERPROOF - it is saturated with wax to make it completely waterproof. SOLID-FIT - as usual, Walker & Hawkes hats give you a deep fit so it feels snug and firm around your head. Be sure to check our size guide. PRACTICAL - perfect if you want the classic style of a Flat Cap and the practicality of Waxed Cotton. SUITABLE FOR A WIDE RANGE OF USES, including: shooting, hiking, horse-riding, farming, fashion, outerwear, dog walking and more! 100% Cotton, with an inner trim band for extra comfort. Outer Shell is 100% Waxed Cotton, making this hat waterproof, with a wide brim for water and sun protection. Produced to the highest standards by a manufacturer of top quality countrywear and derby clothing. Please check our size guide against the hat you wish to purchase.