NEW ERA Minneapolis Millers MiLB Heritage Blue 9FIFTY Retro Crown Cap 60141926. Soft 9FIFTY baseball cap crafted in 100% washed cotton twill. Minneapolis Millers logo embroidered on the front. New Era flag embroidered to the left. Adjustable fit. Flat visor that can be rounded. Size guide: S / M = head circumference between 54.9 and 59.6 cm M / L = head circumference between 57.7 and 61.5 cm