Model: WATERPROOF Y02F1 100% Wool Size Range 55cm to 61cm Square Check Porelle lining A tweed wool flat cap. The perfect outdoors hat as it will repel water. Fully lined with Porelle fabric. At Failsworth, like other quintessentially British clothing brands, they have always recognized the difference between fashion and style. One is a passing trend; the other stands for everlasting quality, attention to detail, refinement and true individuality.