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Naiz Fit

by Naiz · Since 2017
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ActiveAvailable globallyCloud
Quick facts
VendorNaiz
Year launched2017
StatusActive
LocationSan Sebastián, Spain
Countries servedGlobal
Languages7
Integrations6+
Free tier
Free trial
Contact sales
Last reviewed: Jun 2026

About Naiz Fit

A Size & Fit Intelligence platform for fashion brands that integrates body measurement data, product characteristics, and purchase behavior to reduce returns, increase conversion, and optimize product design and merchandising.

Naiz Fit is a specialized Size & Fit Intelligence platform designed for fashion brands to bridge the gap between garment design and real-world body diversity. By moving beyond simple size charts, the platform provides a comprehensive suite of tools across four hubs: Ecommerce, Product, Retail, and Strategy. It helps brands reduce return rates by guiding customers to the correct size, while simultaneously offering product teams deep insights into fit consistency, grading accuracy, and manufacturing tolerances. The platform is particularly strong in its use of physical garment testing and real-world body data, which it combines with machine learning to provide actionable intelligence. It is suitable for apparel, footwear, luxury, and kidswear brands looking to optimize their entire value chain, from pre-production auditing to the final customer shopping experience. While the platform is highly specialized, its ability to integrate across omnichannel environments makes it a powerful tool for scaling fashion businesses efficiently.

Pros & Cons

What users like
  • +Reduces logistics costs and return rates by minimizing size and fit errors.
  • +Provides actionable insights based on real-world physical garment testing.
  • +Improves conversion rates and average order value by increasing customer confidence.
  • +Supports omnichannel strategies by connecting online and in-store sizing experiences.
What users flag
  • Pricing is not publicly disclosed and requires contact with the sales team.
  • Highly specialized focus on fashion sizing may not be applicable to general retail or non-apparel businesses.

Features

Key features

Size Advisor
Guides shoppers to the correct size on product pages using real data.
Virtual Try-On
Allows customers to visualize the fit of garments before purchasing.
Fitting Audit
Identifies fit risks and quality opportunities using real tester demographics and photographic documentation.
Sizing Consistency
Analyzes SKUs to detect anomalous sizing behavior across categories, markets, and fabrics.
Measurement Audit
Validates grading rules and tolerances between pre- and post-production measurements.

Additional features

Benchmarking
Compares brand performance against industry competitors to identify improvement opportunities.
Internationalization Strategy
Provides data-driven insights to align sizing strategies across different global markets.
Personal Shopper
Extends size and fit intelligence to physical retail environments via mobile and in-store displays.
Sustainability Impact Analysis
Tracks reduction in returns and CO2 emissions resulting from improved fit accuracy.
Actionable Insights
Delivers clear, team-ready data for product, ecommerce, and design teams to apply immediately.

Pricing

Free trial
Free version
Request a quote
Promo Offer

Countries & Languages

Global
Countries served
7
Interface languages
10
Billing currencies

Interface languages

EnglishSpanishGermanFrenchItalianPortugueseDutch

Billing currencies

🇺🇸USD🇪🇺EUR🇬🇧GBP🇦🇺AUD🇨🇦CAD🇯🇵JPY🇨🇳CNY🇲🇽MXN🇧🇷BRL🇮🇳INR

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