Thirdlove Builds Millions of Personalized Experiences With Bloomreach and IM Digital

Thirdlove is a female-founded lifestyle brand that offers elevated intimates, including bras, underwear, loungewear, and lingerie. Known for its inclusive size range and customer-first approach, Thirdlove’s mission is to help every woman find the perfect fit — not only through innovative products, but through shopping experiences tailored to each individual.

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Products

5
unique customer archetypes
based on band and cup size
3.5
million
customers served a personalized site experience
$ 256
k
in incremental revenue
generated in just a few months

Challenge

For a brand centered on finding the right fit, one-size-fits-all marketing simply wasn’t an option for Thirdlove. The company needed a scalable way to deliver shopping journeys that were always relevant — if a customer’s size or shopping preferences changed over time, their experience needed to reflect those changes instantly.

To build these hyper-relevant experiences, Thirdlove needed to:

  • Personalize communications in real time based on individual fit and size data.
  • Create customer segments that reflect meaningful shopping behavior and purchases, not just static attributes.
  • Sync these customer insights across Thirdlove’s entire marketing stack, ensuring every touchpoint is consistently personalized.

Solution

With help from our trusted partner IM Digital, Thirdlove leveraged Bloomreach Engagement to build a data-driven segmentation strategy centered around the most significant, personalized customer interactions.

First, the brand identified and designed interactions that serve as cornerstone touchpoints in a customer’s journey, including the brand’s detailed Fit Finder quiz and the streamlined mini quiz found on the brand’s Collections page.

Using these key interactions, Thirdlove and IM Digital created a real-time segmentation strategy driven by customer archetypes. Through a scenario in Bloomreach, customers are assigned an archetype based on their unique bra band and cup size — and these archetypes are continuously updated with real-time data, ensuring each customer’s journey reflects their most current preferences.

 

How It Works

Each customer is assigned an archetype based on a combination of:

  • Their most recent purchase data
  • Results from ThirdLove’s Fit Finder quiz
  • Responses from the mini quiz embedded on the brand’s Collections page

These three data events are monitored in real time through a Bloomreach scenario, and whenever a customer’s size or fit preferences are updated — from a new purchase or retaken quiz result — their archetype is immediately refreshed. Using webhooks, Bloomreach instantly pushes this update to all relevant systems in ThirdLove’s martech stack.

“If you have a life change, or your size has changed and you purchased something that’s different from your quiz results, that purchase will supersede your previous results and shift your archetype,” explained Michael Moore, Director of Retention Marketing at IM Digital. “The segmentation is real time, and updates are sent anywhere in the martech stack that needs them.” 

This real-time approach ensures that Thirdlove’s marketing campaigns are always based on the most current and accurate customer data — and that customers always get a relevant shopping experience.

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Bloomreach drives the hyper-personalized journeys that Thirdlove strives for. With personalized touchpoints and real-time customer archetypes, we can make that one-to-one connection with consumers and create that same digital experience that the customer would get if they were to shop in-store.

headshot

Michael Moore

Director of Retention Marketing at IM Digital

Results

With real-time segmentation powered by Bloomreach, ThirdLove can deeply personalize its marketing at scale. Customer archetypes inform everything from on-site product recommendations and retargeting ads to tailored email offers and lifecycle journeys.

This data-driven approach has transformed how the brand connects with customers:

  • 5 unique customer archetypes ensure every shopper gets a journey tailored to their exact size and preferences.
  • ThirdLove’s website now delivers a personalized shopping experience to 3.5 million customers.
  • Key interactions like the mini quiz have made personalization a cornerstone of the brand’s marketing strategy, fostering deeper relationships and driving over $256K in incremental revenue in just a few months.

By replacing static audience lists with dynamic, behavior-informed archetypes, ThirdLove delivers the right message at the right moment, no matter where the customer is in their journey.

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