One of the most persistent problems in online fashion retail is also one of the most underestimated: finding the right size.

Despite advances in e-commerce, customers continue to struggle with vague size charts, inconsistent fits, and a lack of transparency. The result is a costly and unsustainable cycle of over-ordering and mass returns. According to industry reports, up to 50% of fashion e-commerce returns are due to poor fit.

Now, an Italian startup is looking to change that. Mody AI, founded five years ago, has developed an artificial intelligence-powered fit advisor that promises to solve the sizing issue with speed, precision, and scale.

“We believe smart sizing is the future of fashion,” says the company’s co-founder. “It’s about helping people find clothes that truly fit, while also supporting brands to design and sell more intelligently.”

A New Approach to Fit
Mody AI offers a mobile-friendly sizing tool that integrates with any e-commerce platform in under 30 minutes. It uses either a simple questionnaire or smartphone photos to analyze body measurements and match users with the best size available for each specific product.

Unlike most size recommendation tools that rely on generic data or purchase histories, Mody AI draws on a proprietary dataset of over one million body scans, collected globally. The result is a highly personalized recommendation that reflects not just measurements, but also body shape and brand-specific cut.

For added precision, users can opt for a quick body scan using two photos. The technology reconstructs a 3D model in under five seconds—without requiring any downloads.

Why Traditional Methods Fail
Most fashion brands still use size charts based on outdated standards and assumptions. A medium in one brand can fit like a small or large in another. Customers often resort to ordering multiple sizes and returning what doesn’t fit, creating logistical nightmares and environmental waste.

“The one-size-fits-all model simply doesn’t work,” Mody AI’s team explains. “Brands need to design for real bodies, and shoppers deserve better tools to navigate the options.”

Mody AI aims to eliminate this guesswork with brand-calibrated recommendations. Its system doesn’t just suggest sizes—it factors in each brand’s design philosophy, product measurements, and historical return data to deliver smarter results.

Data-Driven Design
Beyond sizing recommendations, Mody AI also provides partner brands with bi-annual body shape reports based on real user data. These insights help companies refine their product grading, better align with customer demographics, and identify fit issues at the design stage.

Brands can adjust patterns and size ranges according to regional body types, improve inclusivity, and reduce return rates—all based on data, not assumptions.

Measurable Impact
For brands, the benefits are immediate. Clients using Mody AI report conversion increases of 25% to 50% and return reductions of up to 45%. Customer satisfaction improves as shoppers gain confidence in their purchases, and operational costs tied to logistics and restocking decline.

The tool is also a win for sustainability. With fewer items being returned, the environmental footprint of fashion e-commerce shrinks—addressing a key concern for today’s climate-conscious consumers.

A Flexible, Scalable Model
Mody AI supports multiple languages and complies with global data privacy standards, including GDPR and CCPA, making it accessible for international use. Its pricing is based on the number of e-commerce sessions, with no setup fees and trial periods ranging from two to four weeks.

Already active in Europe, the Middle East, and North America, Mody AI is positioning itself as a strategic ally for fashion brands seeking to improve fit, reduce waste, and deepen customer loyalty.

Looking Ahead
With online retail showing no signs of slowing, tools like Mody AI could be the key to solving one of fashion’s biggest friction points.

As digital shopping continues to evolve, the brands that succeed will be those that rethink fit—not as an afterthought, but as a core part of the user experience.


TEXT BY FASHINNOVATION, under the coordination of Marcelo and Jordana Guimaraes, is global platform that bridges the gap between the fashion industry and intersecting industries, through our four main pillars: entrepreneurship, sustainability, technology & innovation, diversity & inclusion. / @fashinnovation.nyc www.fashinnovation.nyc