Usually, hats without any adjustability features will arrive in additional particular dimensions, like the Filson Summer Packer, which has dimensions that range from small to 2XL. Likewise, the Tilley Wanderer Hat is available in numerical measurements starting from seven to 7.875. Measuring your head dimensions just before ordering these hat https://www.linkedin.com/pulse/best-sun-hat-muhammad-usama-khurshid-s9vfe/