The product is a Quake City Caps baseball cap in a solid blue color, featuring the US Open logo. 2022 American Express This strapback hat is one size fits all and adjustable for a comfortable fit. Made of polyester, it is suitable for travel, casual wear, and workwear. The hat is designed to represent the city theme and is a stylish accessory for men who love tennis or the US Open event. Made in China, this cap is a great way to show support for the tournament while keeping cool in the sun.