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Prime AI’s Custom Clothing Size Finder for Fashion Retailers

On the catwalks, screens and desktops of online fashion sales, one thing is undeniable: one size does not fit all—not your customers, and certainly not your business. Every fashion retailer faces unique challenges, and the tools used should be as tailored as your garments. Enter Prime AI’s Clothing Size and Fit Finder—a customisable solution that delivers personalised fit recommendations perfectly aligned with your brand, transforming how your customers shop and engage with your store.

Size Recommendation Tool Designed with Flexibility in Mind

In fashion, individuality is everything. No two brands are alike, and a cookie-cutter sizing tool just won’t capture the nuances of your business. Prime AI understands this, which is why our Size & Fit Finder is designed with flexibility—tailored to seamlessly reflect your brand’s style, product range, and customer preferences.

Whether you aim to reduce returns, drive conversions, identify missed sales opportunities at size level, or create a seamless shopping experience, Prime AI’s customisation is your competitive edge. The best solutions adapt to your business, not the other way around. That’s where Prime AI’s expertise comes in—building a truly personalised experience that caters to your unique needs.

Custom Built Advantage

Prime AI’s Clothing Size & Fit Finder isn’t a copy-paste app – it’s custom-built to meet each specific need. From its visual design to its functionality, every tool aspect is customisable to echo your brand’s voice and values. This ability to shape the tool to fit your business makes it a game-changer for reducing returns, increasing conversions, and creating a shopping experience that feels truly personal.

Tailored to Your Brand

From the moment you partner with Prime AI, we work closely with you to understand your brand identity, product range, customer needs, and why your products are being refunded. Here’s how we personalise the Fit Finder to fit your business perfectly:

Seamless Brand Integration

Your website reflects your brand’s essence, and Prime AI ensures that the Size Finder does, too. From colours and fonts to messaging, we make sure the sizing tool looks and feels like a natural extension of your site, offering a cohesive and professional shopping experience.

Fit Algorithms for Every Garment

Not all garments are the same, and neither are customer preferences. Our algorithms account for the specifics of your products, from structured blazers to casual knits, ensuring that each recommendation is accurate for every item. Whether your customers are shopping for a flowing dress or fitted trousers, Prime AI’s Clothing Size & Fit Finder adapts to deliver the right fit.

Interactive Fit Slider

The interactive Fit Slider is one of the most popular features of our tool, allowing customers to easily adjust how snug or relaxed they’d like their clothes to fit. As they move the slider, Prime AI recalculates the ideal size for their unique body shape and preferences in real-time. This feature gives customers greater control over their fit, boosting their confidence in the purchase and helping reduce returns. For products like swimwear, where a looser fit isn’t an option, we also provide tailored infographics that show how the product will fit based on the customer’s preferences.

Dynamic Messaging for Personalised Guidance

Effective communication is essential for guiding customers toward the right fit. Prime AI enables you to customise the messages customers see, ensuring your brand’s voice comes through at every stage. Whether it’s assisting first-time shoppers or refining suggestions for returning customers, dynamic messaging plays a crucial role in preventing size selection errors. We guide customers by clearly stating if a product runs large or small, and explaining why a particular size is recommended—such as suggesting a medium because the fit runs large. This transparency reassures customers who may be unsure about their size, boosting their confidence and building trust in your brand.

Backend Data Visualisations for Smarter Decisions

Behind the scenes, Prime AI’s configurable dashboard provides valuable insights into customer behaviour and preferences. Our visualisation tools help you identify common fit issues, track emerging fashion trends, and make data-driven decisions that keep your business ahead of the curve. Whether you’re looking to optimise size assortments to increase sales or reduce operational costs by discontinuing SKUs with low sell-through, Prime AI’s dashboard gives you actionable insights—empowering you to unlock greater profitability.

Prime AI – Your Partner in Customisation

At Prime AI, we don’t just deliver a tool—we become your partner, ensuring every element of the Clothing Size and Fit Finder is tailored to meet your brand’s specific needs. Our team of experts works closely with you through every stage of the process, from project management to ongoing optimisation, ensuring that you get the most out of the Size Finder. We proactively analyse your data and provide you with reports on results as well as suggestions on how to get more value out of the tool.

Need A/B testing on button placements? Looking to adjust dynamic messaging over time? Want to customise how data is visualised to suit your business model? We’ve got you covered. Every feature of Prime AI’s Clothing Size and Fit Finder can be tweaked to fit your exact needs, from refining customer interaction points to delivering precise insights that drive better business decisions.

Our partnership doesn’t stop at installation. We provide continuous support, optimising the tool as your business grows. Whether it’s enhancing user experiences or fine-tuning data, Prime AI’s commitment to your success means you’re always getting the most from the technology.

Predictive Analysis – The Future of Sizing (and Why Statistical Tools Are Outdated)

Most sizing tools today rely on statistical analysis, using historical data to make average-based recommendations. But in fashion, there is no ‘average.’ Body types and garment designs vary too much for static tools to deliver accurate recommendations. Even worse, some statistical tools ask customers for size information from other brands, leading them to compare competitor sizing and even purchase elsewhere.

Why Statistical Tools No Longer Cut It:

Relying on the Past:

Statistical tools base their recommendations on past data, meaning they can’t keep up with changing trends or customer preferences.

Competitor Distractions:

Asking customers for size comparisons from other brands inadvertently directs them to competitors, undermining your brand.

Lack of Personalisation:

These tools provide broad, average-based recommendations that ignore body shape, personal fit preferences, and garment construction nuances.

Inflexible and Outdated:

Once set, statistical tools don’t adapt to new styles, fabrics, or customer insights, meaning recommendations quickly become irrelevant.

Why Predictive Analysis Is the Smart Solution

Prime AI’s predictive analysis takes a forward-thinking approach. Rather than relying on averages, it continuously learns from real-time interactions to offer personalised fit recommendations. Here’s why predictive analysis stands out:

Real-Time Learning:

The more your customers interact with Prime AI’s Fit Finder, the smarter it gets. Our system adapts based on purchase history, returns, and customer feedback, delivering more accurate recommendations with each use.

Tailored to the Individual:

Predictive analysis considers a variety of factors—body shape, garment construction, fabric behaviour, and customer fit preferences—to provide a truly personalised fit. No two customers are the same, and neither are their recommendations.

No Competitor Comparisons:

Unlike statistical tools, Prime AI doesn’t rely on competitor sizing, ensuring that customers remain focused on your products and trust in your brand’s fit.

Dynamic Adjustments:

If a particular product sees frequent returns due to sizing issues, Prime AI adjusts recommendations in real time, ensuring customers receive a better fit the next time around.

Trend-Adaptive:

Predictive analysis isn’t just reactive—it’s proactive. Prime AI identifies shifts in customer preferences and emerging trends, helping you stay ahead of the curve.

Understanding Fit Beyond Size with a Custom-Built Solution

Finding the perfect fit goes beyond standard measurements. Prime AI understands that fit is personal, and we consider multiple factors:

Unique Body Shapes:

Prime AI tailors recommendations based on each customer’s unique body proportions, ensuring a fit that aligns with the specific audience your website attracts.

Garment Design Nuances:

Our system adjusts for different cuts, fabrics, and design styles, ensuring accurate fit recommendations across your entire collection.

Fabric Behaviour:

From stretchy materials to structured cotton, Prime AI factors in fabric behaviour to deliver recommendations that reflect how the garment will actually fit and feel.


“The tool has helped our first-time customers dial in their correct size. Our return rates have gone down by 20% in the last year. The integration was straightforward with our custom website, and the tech support was quick & helpful.”
—Veeral, E-Commerce Manager, Spier & Mackay

The Future of Fashion Sizing is Here

Integrating Prime AI’s Clothing Size and Fit Finder isn’t just a smart move—it’s an investment in your brand’s future. More than reducing returns, it transforms your entire customer experience, driving conversions and fostering loyalty.

With Prime AI, you’re not just providing customers with the right fit—you’re elevating your brand. From seamless integration to ongoing support, we work with you every step of the way to ensure success.

Ready to transform your business?

Schedule a demo today and see firsthand how Prime AI’s Clothing Size and Fit Finder can enhance your customers’ experience and help your brand thrive. Let’s make sure your customers always find their fabulous fit—every time.

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