US UNION cap standard model 1.   This cap Model 1 Model 2 is different because it has a leather reinforcement around the visor.   M= 22.44"     L= 22.80"    XL= 23.62"    XXL= 24.41" if it is not in stock, possibility to order, delay about 3 weeks. High quality cap, perfect for reenactors.100% wool, black leather visor, adjustable jugular fastened with two buttons.Leather sweat band inside. US UNION cap standard model 1.