Re-instated by NASA, the classic worm logo is now an official secondary logo; show your admiration for space exploration with NASA Worm Logo Low Profile Cap. Designed with brushed cotton twill and a buckram front panel, the NASA hat is lightweight, durable, and soft. For additional comfort, the NASA cap features an internal sweatband and ventilation holes to allow heat to escape. Low Profile Cap is one size fits most with an adjustable hook and loop closure strap located on the back of the hat. NASA Worm Logo Hat is the perfect gift for space enthusiasts!