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Personalize Your Brand's Fit Experience

Our powerful Virtual Sizer API empowers apparel businesses with a customized fit and sizing experience tailored to your brand. From the input questions to the look and feel, Virtual Sizer is ideal for brands seeking a seamless sizing experience that is an extension of their brand's DNA.


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average increase in conversion rates


average increase in order value


average reduction in fit-related returns

Results based on Bold Metrics’ solution engagement

Driven by Data

From simple shopper inputs our Virtual Sizer references our advanced AI and machine learning algorithms to determine 50+ body measurements— unlocking the power of body data.

  • 80+ million digital twins
  • 4+ billion body data points
  • 240+ million fit simulations


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Suit shop fit finder experience

Why It Works

Virtual Sizer references our AI digital twin platform in combination with your brand's garment data to provide detailed size recommendations to shoppers. Virtual Tailor is white-labeled to ensure that it fits seamlessly into your brand's personality.

  • Contextualized results show shoppers how a garment will fit their specific body measurements, so they can choose based on personal fit preferences.
  • Sizing isn't singular and preferences are unique. Empower your shoppers to find their best fit, based on their personal style, activities, and preferences.
  • Customize survey questions to go beyond traditional sizing inputs to collect detailed shopper information such as body shape, style preferences, loyalty properties, marketing activities, and more.


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Exceed Expectations

Our clients experience transformative results across their organizations. See how we can do the same for your brand.


✔️ Increase conversion by 232%*

✔️ Increase average order value by 23%*

✔️ Decrease returns by 18%*

✔️ Progress towards sustainability initiatives

✔️ Experience that matches your brand 

✔️ Customized survey questions

✔️ Unique garment capabilities

* avg. client results with Bold Metrics’ sizing solutions

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Virtual Sizer

Optimized sizing with your brand's unique DNA.


Our Clients Get Real Results

Drive Personalization

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Customized experience

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Prioritize Fit

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Average Size Selection Accuracy


Reduce Returns

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Return Reduction


Solve Sizing at Scale

  • At French Toast, we strive to make the shopping experience as frictionless as possible for our families. After nearly two years of development, we are thrilled to offer this new service through innovative technology in partnership with an industry leader, Bold Metrics.

    Laura Kim,
    Senior Director of eCommerce & Merchandising, French Toast
  • With the Virtual Sizer the entire sizing process can be completed in a matter of minutes allowing the sales rep to spend the additional time working on new accounts or providing higher levels of support to our existing customers.

    Todd Herring,
    VP Product Innovation & Strategy, Fire-dex
  • Having an accurate fitting tool was important to our engaged couples searching for wedding suiting to ensure that they would look sharp on their big day.

    Diana Ganz,
    Co-Founder & CEO, Suit Shop
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Customer Story

Founded in 1983 and headquartered in Medina, Ohio, Fire-Dex is a family-owned global manufacturer of personal protective equipment (PPE) for first responders and the nation's largest Independent Service Provider (ISP) of PPE care and maintenance. Before Bold Metrics, Fire-dex had a tiresome and unscalable fitting process to ensure the right fit for its customers. In this client story, we'll share how things have changed for the brand since implementing our Virtual Sizer solution.


Read The Customer Story
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Unlock the Power of Body Data

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