This 1" wide running headband is perfect for any half marathon runner to keep hair pulled back and has an original 13.1 math miles design on a satiny material. Runners will love this super-comfortable headband that has a non-pull back with an adjustable clasp for the most comfortable fit - and it won't slip, not even on the 13th mile. Sure to be a favorite running accessory, our Julibands runner's headbands are perfect for everyday wear, when running, and on race day.