SAIZ ski jacket in black

About //SAIZ

By matching each product’s unique details with real customer data, SAIZ delivers precise size & fit guidance across multiple touchpoints. From size recommendations to nudges and size charts, every shopper - no matter how they browse or buy - sees guidance that builds confidence, drives engagement, and cuts returns.

Every interaction with the SAIZ Extensions feeds into Fit IQ, the analytics suite. Here, insights on customer sizing behavior and product fit performance help product teams refine collections, improve grading, and design smarter. It’s a unified loop: guidance that reduces returns today, and intelligence that shapes better products tomorrow.