![No Trousers Day” participants line up for a group photo at the annual “No Pants Subway Ride” in the London Underground Stock Photo - Alamy No Trousers Day” participants line up for a group photo at the annual “No Pants Subway Ride” in the London Underground Stock Photo - Alamy](https://c8.alamy.com/comp/KH0D4P/no-trousers-day-participants-line-up-for-a-group-photo-at-the-annual-KH0D4P.jpg)
No Trousers Day” participants line up for a group photo at the annual “No Pants Subway Ride” in the London Underground Stock Photo - Alamy
![Going Undieground: Commuters brave bracing temperatures and leave their trousers at home for 13th annual No Pants Day | Daily Mail Online Going Undieground: Commuters brave bracing temperatures and leave their trousers at home for 13th annual No Pants Day | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2013/01/13/article-0-16E9DE04000005DC-15_634x400.jpg)
Going Undieground: Commuters brave bracing temperatures and leave their trousers at home for 13th annual No Pants Day | Daily Mail Online
![No Trousers Tube Ride 2020: Londoners put on their best pants to take part in the London Undergrounds silliest event - MyLondon No Trousers Tube Ride 2020: Londoners put on their best pants to take part in the London Undergrounds silliest event - MyLondon](https://i2-prod.mylondon.news/incoming/article15675510.ece/ALTERNATES/s1200/1_No-Trousers-on-the-Tube-1.jpg)
No Trousers Tube Ride 2020: Londoners put on their best pants to take part in the London Undergrounds silliest event - MyLondon
![AFP News Agency on Twitter: ""No Pants Subway Ride" is also marked around the world. People take part in London where the annual event is called 'No Trousers On The Tube Day' AFP News Agency on Twitter: ""No Pants Subway Ride" is also marked around the world. People take part in London where the annual event is called 'No Trousers On The Tube Day'](https://pbs.twimg.com/media/Dw1mqu7VYAASC6R.jpg)