When the size-inclusivity motion gained momentum, it revolutionized the style business, pushing many attire corporations to broaden past conventional sizing and higher serve a broader vary of physique sorts. Main retailers responded by increasing their measurement ranges, whereas specialised plus-size manufacturers emerged to satisfy rising demand.
A number of years later, nevertheless, the market is shifting once more. Alongside macroeconomic pressures and cautious client spending, the speedy adoption of GLP-1 drugs is starting to reshape attire demand, notably throughout the plus-size section.
GLP-1s’ affect on the retail business
Glucagon-like peptide-1, referred to as GLP-1s and identified by model names reminiscent of Ozempic, Wegovy, Mounjaro, and Trulicity, have been developed to manage blood sugar, digestion, and urge for food for folks with Kind 2 diabetes. They’re now more and more used for weight-loss administration, driving measurable shifts in client habits.
In keeping with Circana estimates, roughly 23% of all U.S. households use GLP-1 drugs as of September 2025, up 4 factors from the prior yr. Their affect is extending properly past healthcare and into retail.
Round 80% of GLP‑1 customers anticipate needing new clothes as a consequence of measurement adjustments, whereas 55% have already bought new clothes or footwear, pushed primarily by altering sizes, in accordance with a current Circana survey.
This indicators a structural shift in demand. Attire buying is now not pushed solely by seasonality or developments, however more and more influenced by GLP-1-driven physique adjustments.
Not like conventional weight-loss cycles, GLP-1-driven shifts are occurring at each scale and velocity, making them extra disruptive to attire demand forecasting and stock planning.
Shoppers’ identities are altering, not simply measurement
Weight reduction related to GLP-1 use just isn’t solely altering what customers put on but in addition reshaping how they see themselves.
As customers transition by means of a number of sizes, many are rebuilding their wardrobes from scratch. This usually consists of experimenting with new classes and types that beforehand felt out of attain. Circana knowledge reveals elevated purchases in classes reminiscent of activewear, denim, attire, and intimates in the course of the first yr of GLP‑1 use.
Kristen Classi-Zummo, attire business advisor at Circana, notes that this displays an even bigger behavioral shift.
“GLP-1 usage extends beyond the physical implications; it’s a catalyst for redefining personal style. As consumers rebuild their wardrobes, they’re reassessing what fits, what flatters, and what feels aligned with their lifestyle,” stated Classi-Zummo.
This transformation represents greater than a brief development. It’s an identification reset with direct implications for merchandising, advertising and marketing, and product growth.
For retailers, this additionally introduces a brand new problem the place customers will not be merely changing clothes; they’re redefining their relationship with attire, usually prioritizing versatility, confidence, and life-style alignment over earlier buying habits.
GLP-1 utilization is altering client habits and impacting retailers nationwide.
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Mounting strain on plus-size retailers
Retailers targeted on prolonged sizing are already starting to really feel the affect.
The broader retail atmosphere stays troublesome. Retailer closures elevated 67% in 2025 in comparison with the earlier yr, reflecting ongoing business contraction and realignment, in accordance with CoreSight Analysis.
Extra protection on retailer closures:
- 48-year-old nostalgic mall retailer will shut 25 shops in 2026
- 77-year-old jewellery large will shut 100 shops, shut 2 manufacturers
- 125-year-old retail chain to shut extra shops in 2026
Inside this atmosphere, a number of plus-size specialised retailers have reported declines.
- Torrid (CURV) reported a 14.3% year-over-year gross sales decline within the fourth quarter of fiscal 2025, with a internet lack of $8.1 million, in comparison with $3 million. The corporate plans to shut 30 shops within the first half of 2026 after shuttering 151 areas final yr.
- DXL (DXLG) posted a 6% year-over-year drop in gross sales for the fourth quarter of fiscal 2025, with a internet lack of $29.6 million in comparison with $1.3 million.
DXL CEO Harvey Kanter attributed a part of the slowdown to GLP-1 adoption, predicting that as many as 25% of the corporate’s clients are on the remedy, actively shedding pounds and delaying purchases.
“Right now, we are in a pattern where they are losing weight and they are trying not to buy clothes until they are done with that journey,” stated Kanter in the course of the earnings name.
This dynamic is making a short-term demand hole. Shoppers in transition are briefly spending much less within the close to time period, whilst long-term demand for wardrobe alternative builds.
On the identical time, it’s compressing conventional retail shopping for cycles, forcing manufacturers to rethink stock methods as customers transfer by means of a number of sizes extra rapidly.
The way forward for the retail business
The broader outlook for trend retail stays cautious.
McKinsey & Firm’s State of Trend 2026 Report initiatives low-single-digit progress for the worldwide trend business, citing ongoing macroeconomic instability, tariff pressures, and value-conscious client habits.
“In the end, 2026 will likely be another year of dislocation for fashion companies,” stated McKinsey & Firm analysts.
But on this subdued atmosphere, GLP-1 adoption represents a brand new and sudden progress driver.
Bernstein analysts estimate that GLP-1-related wardrobe adjustments may generate as much as $13 billion in elevated annual attire spending.
“We expect that GLP-1 users will expand their apparel shopping basket size for 1-3 years, including both the multiple size changes during their weight loss journey as well as replacing their entire wardrobe (and perhaps shifting the styles and types of clothing as well) once they have reached their goal weight,” the analysts stated, as reported by MarketWatch.
The chance of scaling again on inclusivity
Regardless of these shifts, scaling again on inclusive sizing may show short-sighted.
A considerable portion of the U.S. inhabitants nonetheless wears plus-size clothes, estimated between 68% and 78%, in accordance with an evaluation by FIT professor Mallorie Dunn. This demand just isn’t disappearing, whilst some customers measurement down.
Overcorrecting in response to short-term developments may alienate a big and nonetheless underrepresented buyer base.
What this implies for retailers
GLP-1 drugs are introducing a brand new dynamic into trend retail, one which blends healthcare, identification, and client spending patterns.
For manufacturers, the chance lies in balancing supporting customers by means of transitional sizing and evolving identities, and sustaining long-term commitments to inclusivity.
Retailers that may do each whereas adapting to sooner demand cycles and extra fluid sizing wants will likely be greatest positioned to navigate this shift and outperform in an in any other case constrained market.
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