Please keep in mind that the The boco running trucker is generally a bigger fit than the technical trucker. This is a OSFM (Mens) in the product description. That being said, if you have a smaller head this hat might be a bit big. Desert artwork by Heidi Garner . From Boco: The Running Trucker provides all the comfort of a Run Hat with the structured front panels and bill of a Trucker. Laser cut panels provide the breathability needed for high output efforts. Description * 5-Panel Construction * Wicking internal sweatband * Laser-cut side and back panels * Snap back * Sublimated design * Curved bill * Hand wash