The 2018 US Open Shinnecock Hills USGA Golf Cap Hat is a stylish and lightweight accessory for golf enthusiasts. Made from 100% cotton, this adjustable green hat features a magnetic ball marker for added convenience. The sports-themed design and golf-related performance make it perfect for both activewear and casual occasions. With the iconic USGA branding, this hat is a must-have for any golf player looking to show off their love for the sport in style.