1917 was the season of South Side glory – Chicago White Sox dominated the American League with a record of 100–54. Start each day with the winning spirit of the miracle season in the New Era 950 White Sox 1917. Made with woven polyester, this hat offers the best coverage under the sun with a soft touch and breathability for all-day comfort. Honor Chicago's finest while cheering on your team to another golden year in the New Era 950 White Sox 1917. 100% polyester woven.