Outdoor Research Oasis Sombrero Hat
Wide-brimmed hat provides full front-to-back coverage; The rim measures 4.75 inches at the rear center and 3.5 inches at the sides for the M size.
Foam-cured brim keeps the hat upright
Water resistant fabric makes this hat great for multi-season use
External cable adjustment at the top lets you fine-tune the fit
Nylon/polyester sweatband wicks sweat
Long, detachable chin strap with drawcord keeps the hat on when the wind blows