Case Studies
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Underoutfit

How UnderOutfit achieved 106X on ROI by Using Klaviyo and Mailability's AI driven Intent Scoring

106X
Activity on Site
+9.78%
Email Attributed Revenue
+12.6%
Email Sales Uplift
+7.3%
Revenue Generated

UnderOutfit was founded to put women first — with bras designed for real comfort, real bodies, and real life. After decades in the industry, they ditched the shortcuts and middlemen to create pieces that feel as good as they look. No compromises. Just expertly crafted support where it matters most.

Industry

E-commerce 

email PLATFORM

Shopify

LOCATION

Global, USA

PRODUCT
intent scoring
AI LISTS
AI Flows
The Story at a glance
Background

UnderOutfit built a strong brand by doing everything right: They structured a powerful strategy through Klaviyo. The brand realized that their segments and flows were indeed driving value, and that they needed to activate an AI scoring system.

Solution

By launching AI driven segments and flows with Mailability designed to prioritize simplicity for their customers, the brand offered segments that intelligently adapted to shopper behavior. The goal was to engage a high percentage of customers and drive meaningful on site activity.

Result

UnderOutfit has already achieved a 106X ROI. The brand has seen a 12.6% increase in add to cart events, leading to a significant rise in email touchpoints and on-site activity.

“We realized early on with Mailability.io that scaling wasn’t just about sending more emails - it was about sending smarter ones. Using AI driven insights helped us understand our shoppers better, time our messages perfectly, and unlock real growth.“
Felix Lensho
Founder and CEO, UnderOutfit

Challenges & Solutions

Challenge
Strong segmentation wasn’t enough to capture all growth opportunities

UnderOutfit’s team had built strong manual lists that performed well, but they suspected there was still a large portion of potential revenue left on the table, revenue that could only be unlocked through smarter automation and deeper insights into shopper intent. Relying on manual segmentation meant they couldn’t adapt fast enough to individual customer behavior at scale.

Solution
Real-time intent scoring unlocked 7.3% additional revenue with minimal effort

UnderOutfit activated Mailability’s AI-driven lists. These lists dynamically adapted based on each recipient’s real-time intent score, enabling the brand to target shoppers when they were most likely to convert. With minimal effort, simply selecting the right AI-powered segment, UnderOutfit generated an additional 7.3% in revenue beyond what manual lists alone had achieved.

Challenge
Strong flows missed the critical window right after peak shopper intent

UnderOutfit had carefully built and optimized their email flows, and these were delivering solid results. However, the team noticed a gap: their existing flows weren’t fast or responsive enough to engage shoppers who showed high intent immediately after interacting with a campaign. These were moments when customers were most likely to convert, but without real-time triggers, opportunities were slipping through the cracks.

Solution
Targeting shoppers at the perfect moment boosted revenue and on-site activity by 8.37%

To close this gap, UnderOutfit implemented Mailability’s AI Hyper Intent flow. This smart automation detected shoppers who had just engaged with a campaign and showed signs of being ready to purchase, then sent the right message at exactly the right moment. The result was powerful: the brand saw an 8.37% lift in revenue and on-site activity, simply by reaching customers during that narrow window of peak intent.

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