《隋书·列传·卷十五》
那时贵公子都竞相熟习弓马，服饰大多是军人打扮。
于时贵公子皆竞习弓马，被服多为军容。
At that time, the noblemen all competed to become proficient in archery and horsemanship, and their clothing was mostly in the style of military attire.