MusclePharm Hardcore Solid Flat Brim White Hat Product Description:Our new Flat Brim MusclePharm Hats are finally here. Enjoy sporting these hats with the MP logo proud and loud. Designed to grab attention from everyone around you and still look clean and stylish. Constructed from 97%Acrylic and 3%Spandex to give the hat a firm and bright lookHat sizing chart :The flat brim hats run a bit large S/M 7 1/8 - 7 1/2, L/XL 7 1/2 - 7 7/8