Stay cool and dry in the Run Hat Vent Mesh. Lightweight wicking woven polyester material provides a layer of protection from mother nature on the front and top panels. Ventilator mesh side panels keep your head cool for the length of your workout.Soft polyester mesh wicking sweatband on the inside to help move sweat away from your head keeping you focused on the trail or road. Adjustable back snap buckle with tuck in pocket for any excess keeping the back of your hat tidy. Updated styling with sublimated designs Curved bill One size fits most Machine washable