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Muscle Republic is an Australian activewear brand built around performance, movement and community.

Intro
Muscle Republic is a founder-led Australian activewear brand scaling across a fast-moving paid media mix.
Working alongside performance agency Growth Huntr, the team is constantly making calls on what to scale, where budget should move and which products should sit behind that spend.
The opportunity wasn't simply to spend more. It was to make the spend already going into catalog advertising work significantly harder.
Reach was never the problem. Putting spend behind the right products was
Across Meta and TikTok, catalog advertising gave Muscle Republic a scalable way to put products in front of customers.
But at Muscle Republic's pace, efficiency matters as much as scale. The team needed to understand what each channel was really returning, which products were driving the result and where there was room to improve performance without simply adding more budget.
That meant connecting media performance back to product-level outcomes, then using that signal to make the feeds work smarter.
Turning product-level performance into a better feed.
Muscle Republic and Growth Huntr deployed ProfitPeak's feed optimisation across catalog activity, bringing product-level performance into the decisions shaping what the ad platforms had to work with.
Rather than treating the product feed as static infrastructure, it became dynamic.
The workflow connected four components:
Product-Level Attribution:
Understanding which products paid media was genuinely driving and the revenue behind them
Feed enrichment:
Dynamically ensuring the right products were being surfaced in the catalogs based on critical metrics such as profit classes, margins, variant availability and customer cohort preference
Feed generation:
Using those product signals to improve the feeds behind catalog activity through the ProfitPeak in app feed tool
Channel performance:
Measuring the impact across Meta and TikTok through attributed revenue, ROAS and CPA
With Muscle Republic, we were able to take the learnings from product-level performance and feed them directly back into their paid channels catalog activity. Instead of simply pushing more budget behind the products that were already selling, we could make much more informed decisions around product availability, margins, variants and customer behaviour.
What stood out to us most was the impact this had on the customer journey. During promotional trading, customers who first clicked through a ProfitPeak-optimised feed converted significantly faster than those coming through standard feeds.
It's changed the way we think about product feeds from being a technical requirement of catalog advertising to becoming an active part of our performance strategy.
Wally Ribas
Head of Paid Media, Growth Huntr
Better journeys, better spend
Muscle Republic launched their feeds in mid-July in time for two trading periods: promotional and non-promotional.
In promotional trading, ProfitPeak Feeds drove significantly higher same-day conversion:
Standard Feeds converted 39% of customers on Day 0
ProfitPeak Feeds converted 56% on Day 0
Customers whose first click was on a ProfitPeak Feed during the promotional window, converted 32% faster than customers who clicked on a Standard Feed. This took the customer consideration journey from around seven days to less than five days, saving mid-funnel ad spend.
ProfitPeak Feeds converted ~3 days faster than Standard Feeds in non-promotional trading:
Standard Feeds converted in 18 days
ProfitPeak Feeds converted in 15 days

ProfitPeak feeds delivered consistent basket economics regardless of the promotional calendar: maintaining three units per order at a healthy average unit price without relying on deep discounting to drive volume.
Across the optimised product feeds, Muscle Republic generated:

With optimised feeds in place, Muscle Republic can put the products customers want, in variants they can actually buy, in front of them across Meta and TikTok. Their spend stays focused on products with the availability and economics to support it, improving the customer journey while maintaining healthy performance across both promotional and BAU trading.
Industry
Fashion & Apparel
Company size
11-50
From ad to product to profit
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