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Underdays ads

1,016 live nowUpdated Nov 1, 2026

Underdays has run 2,280 Facebook and Instagram ads since Aug 2023, and 1,016 are live right now. Its active ads are 55% video, 44% image, 1% carousel, and 149 run as partnership ads with creators. They reach mostly women aged 25-34 in the United Kingdom. Most of them send traffic to theunderdays.com. Across all ads, Meta reports about 30.6M reach.

Total ads
2,280
Live now
1,016
Video share
55%
Partnership ads
149
Top market
UK
Advertising since
Aug 2023
  1. Underdays ad: 3 FOR 15% OFF ❤️Image326d

    3 FOR 15% OFF ❤️

    Everyday underwear is sexier than lingerie. Underdays is your new favourite brand with ultra soft, breathable, underwear styles that never compromise on style.

    Shop now · theunderdays.com

  2. Underdays ad: Reunited and it feels so soft 🩵 We brought Powder Blue back for a limited run…Video349d

    Reunited and it feels so soft 🩵 We brought Powder Blue back for a limited run because you literally wouldn’t stop asking (respectively). We’d move fast if we…

  3. Underdays ad: 5 FOR 20% OFF 💙Video333d

    5 FOR 20% OFF 💙

    Underwear shouldn’t be an afterthought. Underdays is here to make sure your first layer is your best layer with underwear that’s soft, breathable, and…

    Shop now · theunderdays.com

  4. Underdays ad: The only underwear worth waiting in line in the rain for. Thank you to…Video360d

    The only underwear worth waiting in line in the rain for. Thank you to everyone who showed up for our pop up at @ozonecoffeeuk this morning (some of you even…

  5. Underdays ad: Your gusset is too short!Video26d

    Your gusset is too short!

    Nobody actually knows what the gusset is. It's the most overlooked part of your underwear, and the most important — the panel sitting against you all day…

    Shop now · theunderdays.com

  6. Underdays ad: UP TO 25% OFFVideo310d

    UP TO 25% OFF

    Your 2026 reset starts here. Invest in the pieces you were 365 days a year with our Fresh Start Edit. Up to 25% off better underwear for a limited time only.

    Shop now · theunderdays.com

  7. Underdays ad: 3 FOR 15% OFF 💙Video184d

    3 FOR 15% OFF 💙

    We created Underdays because you spend more time choosing your serum than your underwear. One sits on your skin for 30 seconds. The other sits there for 12…

    Shop now · theunderdays.com

  8. Underdays ad: 3 FOR 15% OFF 💙Video196d

    3 FOR 15% OFF 💙

    We created Underdays because you spend more time choosing your serum than your underwear. One sits on your skin for 30 seconds. The other sits there for 12…

    Shop now · theunderdays.com

  9. Underdays ad: This is our story of how we became one of the fastest growing underwear brands…Video389d

    This is our story of how we became one of the fastest growing underwear brands in the UK, creating underwear that women actually want to wear.

    Shop now · theunderdays.com

  10. Video471d

    REDEEM YOUR FREE POUCH 💙

    The Underdays Starter Kit is here to redefine what underwear should feel like: soft, supportive, and kind to your body. Exclusive. Limited. And exactly what…

    Shop now · theunderdays.com

  11. Underdays ad: Happy International Women’s Day 💫 Underdays was founded by women and built by…Video234d

    Happy International Women’s Day 💫 Underdays was founded by women and built by women. Because for too long, underwear has asked women to choose between…

    Visit Instagram profile · instagram.com

  12. Underdays ad: UP TO 25% OFFVideo352d

    UP TO 25% OFF

    This Black Friday, avoid the dupes and the throwaway clutter. It’s time for the all-in-one underwear upgrade your top drawer’s been asking for. Think fewer…

    Shop now · theunderdays.com

  13. Underdays ad: This is your sign to upgrade your underwear, feel comfortable, and look damn…Video390d

    This is your sign to upgrade your underwear, feel comfortable, and look damn good doing it.

    Like Page

  14. Underdays ad: Underwear shouldn’t be an afterthought. Underdays is here to make sure your…Video202d

    Underwear shouldn’t be an afterthought. Underdays is here to make sure your first layer is your best layer with underwear that’s soft, breathable, and…

    Like Page

  15. Underdays ad: Because your underwear should work as hard as you do. Or harder.Dynamic318d

    Because your underwear should work as hard as you do. Or harder.

    Shop Now · theunderdays.com

  16. Underdays ad: a good selfcare routine has got to start with a solid base 🩷 @theunderdays…Video450d

    a good selfcare routine has got to start with a solid base 🩷 @theunderdays #underwear #selfcare #baselayer #wellness #femalehealth

    Shop now · theunderdays.com

  17. Underdays ad: Introducing the Days of the Week Sets 🎀 7 pairs of our softest Everyday…Video327d

    Introducing the Days of the Week Sets 🎀 7 pairs of our softest Everyday Thongs or Briefs, embroidered Monday through Sunday in limited-edition colours. It’s…

  18. Underdays ad: Upgrade your underwear ✨Video113d

    Upgrade your underwear ✨

    Not @tylerheishman learning everything there is to know about women’s underwear just to find the right ones for me. 🫪 Ugh, I love him. This is like the 4th…

    Shop now · theunderdays.com

  19. Underdays ad: Out of office. In Underdays. Summer colours for lounging, leaving and…Video89d

    Out of office. In Underdays. Summer colours for lounging, leaving and everything in between 🍒

    Shop now · theunderdays.com

  20. Underdays ad: Scuba Pouch Included 🩷Video107d

    Scuba Pouch Included 🩷

    Your skin absorbs what touches it for 12+ hours a day. The Starter Kit is three pairs of pH-balanced, plant-based underwear — TENCEL™ Modal, no polyester, no…

    Shop now · theunderdays.com

  21. Video471d

    5 FOR 15% OFF 💙

    Underwear shouldn’t be an afterthought. Underdays is here to make sure your first layer is your best layer with underwear that’s soft, breathable, and…

    Shop now · theunderdays.com

  22. Underdays ad: Claim your FREE POUCH 💙Video172d

    Claim your FREE POUCH 💙

    The Underdays Starter Kit is here to redefine what underwear should feel like: soft, supportive, and kind to your body. Exclusive. Limited. And exactly what…

    Learn more · theunderdays.com

  23. Underdays ad: Happy International Women’s Day 💫 Underdays was founded by women and built by…Video233d

    Happy International Women’s Day 💫 Underdays was founded by women and built by women. Because for too long, underwear has asked women to choose between…

    Shop now · theunderdays.com

  24. Underdays ad: Shop our Starter KitVideo225d

    Shop our Starter Kit

    Underwear shouldn’t be an afterthought. Underdays is here to make sure your first layer is your best layer with underwear that’s soft, breathable, and…

    Shop now · theunderdays.com

Underdays ad hooks

The opening line of each of Underdays's most-seen video and image ads.

  1. 01Everyday underwear is sexier than lingerie.
  2. 02Reunited and it feels so soft
  3. 03Underwear shouldn’t be an afterthought.
  4. 04The only underwear worth waiting in line in the rain for.
  5. 05Nobody actually knows what the gusset is.
  6. 06Your 2026 reset starts here.
  7. 07We created Underdays because you spend more time choosing your serum than your underwear.
  8. 08This is our story of how we became one of the fastest growing underwear brands in the UK, creating underwear that women actually want to…

Underdays ad headlines

HeadlineAdsLongest run
3 FOR 15% OFF 💙101275d
Get first access5656d
3 FOR 15% OFF55243d
UP TO 25% OFF4818d
LIMITED EDITION 💙47110d
THE UNDERWEAR QUIZ: 15% OFF46130d
Underdays461,168d
Limited Stock 💙43166d
Limited Edition40277d
JOIN THE LIST35142d

Longest-running Underdays ad copy

Ad copyAdsLongest run
Buttery-soft, ultra-stretchy high-rise underwear with the most flattering fits. Available in XS-XXL. Shop now11,168d
This is our story of how we became one of the fastest growing underwear brands in the UK, creating underwear that women actually want to wear💙1389d
This is your sign to upgrade your underwear, feel comfortable, and look damn good doing it.2389d
Underwear shouldn’t be an afterthought. Ours support your health with breathable, pH-balanced fabrics — because what touches your most intimate parts matters.3377d
The only underwear worth waiting in line in the rain for. Thank you to everyone who showed up for our pop up at @ozonecoffeeuk this morning (some of you even beat the team there!) We handed out over 400 pairs of Underdays within the first…9359d
New year, new drop. Vintage-inspired and ready to make moves, meet the Workout Thong we’ve been dreaming of, now in Vintage Blue 🫐 This limited drop is here to kick start your new routine and as an extra boost, all orders of the Workout…2343d
We spend so much time thinking about skincare, haircare, nutrition… but what about the fabric we wear closest to our skin every single day? 🩵 Most underwear is made from synthetic fabrics that can irritate your skin and disrupt your…1331d
This is underwear that sparks joy. Invest in better basics with soft, breathable, flattering essentials designed to last.14328d
Underwear shouldn’t be an afterthought. Ours supports your health with breathable, pH-balanced fabrics — because what touches your most intimate parts matters.5328d
Dump the cheap synthetics. Stop treating underwear like an afterthought. Give it main character energy and upgrade with Underdays. Because healthy underwear is the new skincare.1328d

Underdays landing pages

  1. https://theunderdays.com/collections/bundle-builder?tw_source={{site_source_name}}&tw_adid={{ad.id}}274 ads · 12%
  2. https://us.theunderdays.com/collections/bundle-builder109 ads · 5%
  3. https://us.theunderdays.com/collections/bundle-builder?tw_source={{site_source_name}}&tw_adid={{ad.id}}90 ads · 4%
  4. https://theunderdays.com/collections/bundle-builder81 ads · 4%
  5. http://instagram.com/theunderdays69 ads · 3%
  6. https://sign-up.us.theunderdays.com/sale-202667 ads · 3%
  7. https://sign-up.theunderdays.com/new-drop64 ads · 3%
  8. https://theunderdays.com/products/the-starter-kit-thong?tw_source={{site_source_name}}&tw_adid={{ad.id}}57 ads · 3%
  9. https://us.theunderdays.com/products/the-everyday-soft-plunge-black51 ads · 2%
  10. https://sign-up.us.theunderdays.com/new-drop47 ads · 2%

Underdays new ads per month

  • Oct 2026433
  • Sep 2026339
  • Aug 2026273
  • Jul 2026385
  • Jun 2026353
  • May 2026170
  • Apr 202622
  • Mar 202637
  • Feb 202624
  • Jan 202618
  • Dec 202561
  • Nov 202554

Underdays ads FAQ

How many ads is Underdays running on Facebook and Instagram?
As of Nov 2026, Underdays has 1,016 active ads and 2,280 ads in total in the Meta Ad Library.
What kind of ads does Underdays run?
Underdays's active ads are 55% video (1,270), 44% image (1,010), 1% carousel (17).
Who does Underdays target with its ads?
Based on the reach Meta reports for its ads, Underdays reaches mostly women aged 25-34 in the United Kingdom.
How often does Underdays launch new ads?
Underdays has been advertising on Meta since Aug 2023. It launched 433 new ads in Oct 2026.
What is Underdays's most used ad headline?
"3 FOR 15% OFF 💙" — used on 101 ads.
Where do Underdays's ads send people?
Most Underdays ads link to theunderdays.com. The landing pages section above lists every destination by how many ads use it.
Which brands advertise like Underdays?
Brands with similar ads include Miss Mary of Sweden, Pour Moi, ETAM, Savage X Fenty, Bravissimo.
What hooks does Underdays use in its ads?
Underdays's most-seen ads open with lines like "Everyday underwear is sexier than lingerie.", "Reunited and it feels so soft", "Underwear shouldn’t be an afterthought.".
Where can I watch Underdays's video ads and commercials?
This page lists Underdays's most-seen Facebook and Instagram video ads; open any of them to watch the full video, read its copy and see how long it has run.
Where does this Underdays ad data come from?
From the public Meta Ad Library, collected by AdManage and refreshed daily. Reach is what Meta reports; spend is an AdManage estimate.

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