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How to Create a Size Recommender on a Product Page

Step-by-step guide to setting up an AI size recommender on your Shopify store.

What is a Size Recommender?

If you’re new to Kiwi Size Chart & Recommender, setting up an AI Size Recommender is one of the most powerful ways to improve customer confidence and reduce returns. This smart fit tool uses customer measurements, fit preferences, and product sizing data to automatically suggest the best size for each shopper based on either detailed body measurements or simple inputs like height and weight. By delivering personalized size recommendations, it helps Shopify apparel stores increase conversions and create a more confident shopping experience.


Follow the steps below to create your first size recommender:

Step 1: Create or Open a Size Chart

  1. Open the Kiwi Size Chart & Recommender app from your Shopify admin.

  2. Create a new size chart, or choose an existing one to add a recommender to.

    Kiwi dashboard listing existing size charts, with Add New Size Chart in the top right.

Step 2: Choose the Type of Size Recommender

  1. On the right-hand side of the size chart editor, under “Size Recommender,” click “Start Setting Up Size Recommender”.

    Size chart editor with the Size Recommender panel and Start Setting Up Size Recommender at the bottom right.
  2. You’ll see a list of recommender types to choose from.

    Recommender type list: Advanced Apparel, Basic Apparel and Custom, each with a Start Now button.

Step 3: Set Up the Recommender

After you select a recommender type, click “Start Now” to begin setup.

Setup steps vary depending on the type you choose. Follow the guide that matches your selection:

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