CUSTOM NASA LICENSED WORM DESIGN - Detailed NASA embroidery on front with Premium stitched threading NATURAL COTTON AND COMFORTABLE - Made with 100% Cotton , Soft on the Skin , Light Weight , Well Ventilated EASY TO ADJUST SIZING - Childrens Boys and Girls, Adjustable 49 CM to 56 CM, fits Small , Medium , and Large ( S / M / L) PERFECT EVERYDAY HAT - Great for Personal Expression, Gifting, Vacations, Birthdays, Travel Red Worm / White