<div><p>Between worrying about security checks and flight times, a dress code would be the last thing on your mind when at an airport. But, for two teenage girls this at Denver International Airport, this wasn't the case. </p><p>The girls who were travelling with a companion to Minneapolis were barred from boarding their United Airlines flight because they did not meet the dress code. They were both wearing leggings. </p><p><a href="https://twitter.com/shannonrwatts">Shannon Watts</a>, a mother and founder of Moms Demand Action shared the experience on Twitter and the airline has been facing huge backlash as a result. </p><p></p><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="845992819894321153"></amp-twitter></div><p><!-- [invalid-shortcode] --></p><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="845993122186211332"></amp-twitter></div><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="845994369278627844"></amp-twitter></div><p>United replied to Watts' tweets to inquire about the situation and stated that there is a rule that gives the airline the right to refuse transport based if the passenger's clothes don't meet the dress code standard. </p><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="845999380024836097"></amp-twitter></div><p><!-- [invalid-shortcode] --></p><p>Although Rule 21 does indeed exist, it doesn't provide specifics on what "properly clothed" means. </p><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="846011635647102977"></amp-twitter></div><p>Twitter users were outraged and confused at the random enforcement of this rule especially when it involves young girls. </p><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="846017310062067717"></amp-twitter></div><p><!-- [invalid-shortcode] --></p><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="846014129156476929"></amp-twitter></div><p>Some are even refusing to fly with United again.</p><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="846033584494432256"></amp-twitter></div><p><!-- [invalid-shortcode] --></p><div><amp-twitter height="472" width="375" layout="responsive" data-tweetid="845999278803881988"></amp-twitter></div><p>A few hours after the incident, a United representative on Twitter followed up with Shannon to let her know that the girls were "pass travellers" and there's a dress code in place for them because "they are representing UA when they fly."</p><p>What do you think do you think about this odd rule?</p><p></p></div>