SAIZ ‑ Size & Fit Recommender

Develop by Shopify

Free plan available

Instant & accurate size recommendation for fashion products

Advanced analytics

Instant size recommendation

Ai powered sizing

Customer-product match

Fit consistency

Size optimization

About SAIZ ‑ Size & Fit Recommender

Launched May 18, 2022

Built by Shopify

Address

125 East Avenue, Scarborough, ON, M1c3k9, CA

Website Support Portal Privacy policy Tutorial FAQ Document

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Introduction Video

Description

SAIZ: The Ultimate Product-Customer Sizing Solution

SAIZ combines your exact product specs with 65M+ real customer body profiles, delivering unmatched sizing accuracy at scale. Our Recommender adapts to your products, categories, and markets, offering truly personalized size recommendations and forming the foundation for powerful analytics. More than just a sizing tool, SAIZ is your all-in-one platform to reduce returns, boost conversions, and build lasting customer loyalty by solving sizing challenges across your entire value chain.

Pinpoint return reasons, spot fit issues, and track trends by size & category.
Learn customer body shapes and uncover sizing needs and fit preferences.
Ensure fit consistency, refine sizing, and build smarter product lines.
Align product, CX, and eCom teams. Make sizing your strategic advantage.
Use data to drive fewer returns, higher loyalty, and better margins.

Pros

Provides instant and accurate size recommendations, improving customer satisfaction
Utilizes AI to create a 1:1 match between product and customer for high accuracy
Helps reduce returns by recommending the right size, saving costs for retailers
Offers advanced analytics to help brands optimize their products for better fitting
Improves fit consistency across all products, enhancing brand reliability
Provides insights into customer preferences and buying behavior
Enables customers to act as fit models, improving personalization

Cons

May require integration and setup effort for brands to implement effectively
Relies on the accuracy of original product data and customer information
Could be less effective for products with complex sizing or fit preferences
Potential privacy concerns over handling customer data, depending on implementation

Top Helpful Reviews

OUR BRAND®

Feb 21, 2025 on Shopify

I just installed the app but can't go through the login page because I don't have an account yet and there is no option to create the account. Can you help me?