458 × 814
Source:https://www.daytondailynews.com/local/air-force-seeks-dress-appearance-ideas-through-new-crowdsourcing-campaign/23SYY3MQ4BB4XJBUUGRACDXXEU/
373 × 266
Source:https://sd-supply.com/pages/u-s-air-force-uniform-regulations
360 × 640
Source:https://www.reddit.com/r/AirForce/comments/mp2ant/is_this_against_dress_and_appearance_afi_its_not/
1250 × 1000
Source:https://www.dvidshub.net/news/223758/appearance-standards-change
800 × 800
Source:https://soldiersystems.net/2018/11/17/sorry-air-force-this-isnt-a-boot/