Underdays emails
Underdays sends about 6 emails a week through Klaviyo, most often on Friday around 3 AM Eastern.
Early figures, based on 12 emails received from Oct 16 to Oct 30, 2026.
- ESP
- Klaviyo
- Emails a week
- about 6
- Last sent
- Today · Oct 30
- Tracked since
- Oct 2026
- Emails collected
- 12
Recent emails
Oct 27, 2026 3:30 PM
WE DO CLOTHES NOW
Oct 27, 2026 4:00 AM
CANCEL YOUR PLANS
Oct 25, 2026 3:05 PM
YOUR GYNO HAS THOUGHTS
Oct 23, 2026 8:04 AM · Resent
IT’S BACK. IN SAND.
Oct 23, 2026 3:02 AM
IT’S BACK. IN SAND.
Oct 22, 2026 6:00 AM
IT'S A MATCH
Recent subject lines
All subject linesSubject lines average 20 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 30, 2026 4:04 AM | SCARILY GOOD UNDERWEAR | Even scarier if you miss 20% off all our black styles. | |
| Oct 27, 2026 3:30 PM | WE DO CLOTHES NOW | Three pieces you'll wear all season | |
| Oct 27, 2026 4:00 AM | CANCEL YOUR PLANS | Loungewear is here. | |
| Oct 25, 2026 3:05 PM | YOUR GYNO HAS THOUGHTS | A gynecologist’s guide to underwear | |
| Oct 23, 2026 8:04 AM | IT’S BACK. IN SAND. · Resent | The one you kept asking about is back in stock. | |
| Oct 23, 2026 3:02 AM | IT’S BACK. IN SAND. | The one you kept asking about is back in stock. | |
| Oct 22, 2026 6:00 AM | IT'S A MATCH | Lace, no wires, and 15% off when you take the pair. | |
| Oct 20, 2026 2:30 PM | SAGE GREEN LOOKS GOOD ON YOU | And it's selling fast... |
Archive
View full archiveOctober 2026 12 emails
View allOct 20, 2026 2:30 PM
Oct 20, 2026 3:01 AM
Oct 18, 2026 2:04 PM
Oct 16, 2026 11:32 AM
Oct 16, 2026 3:00 AM
About Underdays
- ESP
- Klaviyo
- Tracked since
- Oct 2026
- Emails collected
- 12
- Emails a week
- about 6
- Last sent
- Oct 30, 2026
- Sends from
- team@
theunderdays.com - Subject length
- 20 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
| Latest email | Brand | ESP | Website popularity | Emails a week | Busiest day | Last sent | |
|---|---|---|---|---|---|---|---|
 Air Oasisairoasis.com | Klaviyo | about 6 | Wednesday | Oct 28, 2026 | Klaviyo · about 6 a week · busiest Wednesday · last sent Oct 28, 2026 | ||
 All Day Flavorsalldayflavors.com | Klaviyo | about 6 | Saturday | Oct 13, 2026 | Klaviyo · about 6 a week · busiest Saturday · last sent Oct 13, 2026 | ||
| 2Modern2modern.com · Top 500,000 sites | Klaviyo | Top 500,000 sites | about 6 | Thursday | Oct 29, 2026 | Klaviyo · about 6 a week · busiest Thursday · last sent Oct 29, 2026 |
Report an errorLast updated Oct 30, 2026