The Signal Collection is live
Preview text: Bluetooth. Wave Length. Dot Calm. They’re here.

Using this email in an article? Credit: 2UNDR email via They Sent It, with a link to this page. Full-size image
- Subject
- The Signal Collection is live
- Preview text
- Bluetooth. Wave Length. Dot Calm. They’re here.
- From
- marketing@
2undr.com - Brand
- 2UNDR
- ESP
- Klaviyo
- Sent
- Thu Sep 17, 2026, 1:05 PM ET
- Sent to
- Canada (2underwear.ca), 2undr.com
- Size
- 52 KB
- Images
- 19
- Links
- 21, 2 of them buttons
- Subject length
- 29 characters
Against 2UNDR's usual
Sent in the 1 PM hour, which holds 4% of its emails; 27% arrive in the 2 PM hour. The subject is 29 characters, the same as its average.
Email headers
What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.
- From
- 2UNDR <[email protected]>
- Subject
- The Signal Collection is live
- Date
- Thu, 17 Sep 2026 17:05:39 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.2undr.com
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.2undr.com s=mtd1
- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP
Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Sep 22, 2026 1:00 PM | Consider this your fall catch-up | |
| Sep 20, 2026 11:01 AM | Finally, underwear that breathes | |
| Sep 19, 2026 4:00 PM | The Signal Collection has arrived | |
| Sep 17, 2026 1:05 PM | The Signal Collection is live (this email) | |
| Sep 15, 2026 5:55 PM | Can you pick up this signal? | |
| Sep 12, 2026 2:02 PM | Your shoes don’t belong with your underwear | |
| Sep 9, 2026 2:03 PM | Our reviews are getting weird |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 17, 2026.








