Can't get enough of Northern Illinois apparel? If so, get your head in Huskies mentality on any day of the week with this adidas Basic Logo Flex hat! It features an embroidered school logo on the crown and “NIU” lettering on the back for classically bold team style. S/M fits 6 3/4 - 7 1/4. L/XL fits 7 1/4 - 7 5/8. Sizes are approximate.