The 30-day cold plunge test (and what happened)

Preview text: Skeptic to daily routine in under a month. The real timeline.

Polar Dive USATuesday, May 12, 2026 at 9:02 AM EasternKlaviyo
Polar Dive USAThe 30-day cold plunge test (and what happened)
Subject
The 30-day cold plunge test (and what happened)
Preview text
Skeptic to daily routine in under a month. The real timeline.
From
help@polardiveusa.com
Sent
Tue May 12, 2026, 9:02 AM ET
Sent to
polar-rush.com
Size
40 KB
Images
12
Links
12, 1 of them buttons
Subject length
47 characters

Against Polar Dive USA's usual

Sent in the 9 AM hour, which holds 9% of its emails; 13% arrive in the 12 PM hour. The subject is 47 characters; its average is 41.

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
Polar Dive USA <[email protected]>
Subject
The 30-day cold plunge test (and what happened)
Date
Tue, 12 May 2026 13:02:34 +0000 (UTC)
Message-ID domain
geopod-ismtpd-56
Return-Path domain
send.polardiveusa.com
DKIM signature
d=polardiveusa.com s=kl2
List-Unsubscribe
Present, one-click

Servers it passed through, newest first

  1. from o1324.shared.klaviyomail.com [167.89.72.0] by our receiving server with ESMTPS
  2. by recvd-…-tz9jh with SMTP
  3. from (unnamed) by geopod-ismtpd-56 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

May 19, 2026 12:21 PMStill thinking about taking the plunge?
May 18, 2026 5:10 PMHeads up — cold plunge prices going up $100 tomorrow
May 15, 2026 9:04 AM3 minutes at 4pm. Better sleep by Tonight.
May 12, 2026 9:02 AMThe 30-day cold plunge test (and what happened) (this email)
May 9, 2026 9:02 AMLast Call: Mother's Day Sale Ends Tomorrow
May 8, 2026 9:02 AMSave on PRO and MAX bundles through Sunday. Mother's Day weekend only.
May 6, 2026 6:00 PMSkip the second coffee. Try this instead.

More from Polar Dive USA

All Polar Dive USA 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. Unsubscribe anytime.