They Sent It

From the classroom to the field

One bottle for whatever comes after school

ThermoflaskTuesday, Aug 18, 2026 at 11:00 PM EasternKlaviyo
ThermoflaskFrom the classroom to the field
Subject
From the classroom to the field
Preview text
One bottle for whatever comes after school
From
noreply@mythermoflask.com
Sent
Tue Aug 18, 2026, 11:00 PM ET
Size
46 KB
Images
17
Links
17, 1 of them buttons
Subject length
31 characters

Against Thermoflask's usual

Sent in the 11 PM hour, which holds 24% of its emails; 29% arrive in the 1 PM hour. The subject is 31 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
Thermoflask <[email protected]>
Subject
From the classroom to the field
Date
Wed, 19 Aug 2026 03:00:04 +0000 (UTC)
Message-ID domain
geopod-ismtpd-23
Return-Path domain
send.mythermoflask.com
DKIM signature
d=mythermoflask.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. by recvd-…-627zz with SMTP
  2. from (unnamed) by geopod-ismtpd-23 with HTTP

Other sending headers (names only): X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse, X-SG-EID, X-SG-ID, X-Entity-ID

Report this email

Sent just before and after

Sep 1, 2026 11:01 PMYour bottle should move with your day
Aug 24, 2026 2:15 PMHydration for the whole house
Aug 20, 2026 11:00 PMGear up for the whole schedule
Aug 18, 2026 11:00 PMFrom the classroom to the field (this email)
Aug 10, 2026 11:00 PMMade for the messy, busy days
Aug 6, 2026 1:00 AMOne less thing to pack
Jul 23, 2026 11:00 PMThe prep that pays off all week.

More from Thermoflask

All Thermoflask emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.