How cool? We had a lab measure it
Preview text: Intertek tested how fast heat leaves your skin. Here's the number.

Using this email in an article? Credit: Buffy email via They Sent It, with a link to this page. Full-size image
- Subject
- How cool? We had a lab measure it
- Preview text
- Intertek tested how fast heat leaves your skin. Here's the number.
- From
- hello@
buffy.co - Brand
- Buffy
- ESP
- Klaviyo
- Sent
- Sun Sep 13, 2026, 12:47 AM ET
- Size
- 53 KB
- Images
- 7
- Links
- 8, 1 of them buttons
- Subject length
- 33 characters
Against Buffy's usual
Sent in the 12 AM hour, which holds 12% of its emails; 44% arrive in the 7 PM hour. The subject is 33 characters; its average is 40.
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
- Buffy <[email protected]>
- Subject
- How cool? We had a lab measure it
- Date
- Sun, 13 Sep 2026 04:47:04 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.buffy.co
- DKIM signature
- d=shared.klaviyomail.com s=def1; d=send.buffy.co 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 17, 2026 7:47 PM | Cooling — when you need it. | |
| Sep 15, 2026 7:46 PM | The styles that sold out — are back in stock | |
| Sep 13, 2026 7:47 PM | New shade: Bianca | |
| Sep 13, 2026 12:47 AM | How cool? We had a lab measure it (this email) | |
| Sep 12, 2026 12:47 AM | Your pillowcase, under a microscope | |
| Sep 11, 2026 3:51 AM | Last Chance: 20% Off Ends Tomorrow | |
| Sep 10, 2026 3:50 AM | 20% Off Awarded Bedding Here |
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Sent the same day by similar brands
Same ESP and the closest weekly volume, sent on Sep 13, 2026.








