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 EASY TO ADJUST SIZING - Easy-adjustable strap on the rear, Small to Large Size fits most adult heads (51 CM - 60 CM) PERFECT EVERY DAY HAT - Perfect design for those who love space and beyond, A fun hat to wear daily, Hiking Trips, Vacations, or Give as a gift for birthdays to a loved one Comes in White Worm / Black