Boys' cap made of synthetic material with a rounded visor that will protect you from the sun's rays. Synthetic fibers provide excellent breathability in combination with an inner sweatband made of original HeatGear® material. UA Free Fit: Pre-curved visor and unstructured front conform to your head for a sleek, low-profile fit breathable textured knit provides maximum comfort throughout the day built-in elastic sweatband wicks away sweat and keeps you cool and dry adjustable strap closure embroidered logo