Hi @sissinut ,
Are you suggesting selling the clothing set (e.g., sweater & sweater pant) with the flexibility for customers to choose Sweater Size and Sweater Pant Size individually (e.g., Sweater S & Pant M)?
If that’s the case, using the Easify Product Options app could be a great solution for creating customizable bundles 
.
Here’s a step-by-step guide:
Storefront:
App Settings:
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Create Sweater and Sweater Pant as separate products, each with its own size options (S, M, L) and inventories. If you prefer, you can hide these individual items from the storefront later by using the seo.hidden metafield.
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Create your Sweater Set product (bundle) without any predefined options.
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Install the app and create an option set.
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Add an option for selecting Sweater Size using the Buttons option type. Link each Sweater Size option value with the corresponding variants of your existing Sweater product.
- Similarly, add an option for selecting Sweater Pant Size, linking each option value with the variants of your existing Sweater Pant product.
- (Optional) Add more custom options for selecting accessories in your bundle if you want.
- Finally, select the Sweater Set product in the app and add the Sweater Size and Sweater Pant Size options to it.
