SmartOptions: Add unlimited custom fields, 10 types; track with analytics.
SmartOptions lets you go beyond the built-in variant limit by adding unlimited custom fields to any product. Choose from 10 option types including text inputs, dropdowns, color swatches, date pickers, and more. Add-on amounts are automatically included as line items at checkout. Smart targeting applies option sets to specific products, collections, or all products. One-click theme installation works with all Online Store 2.0 themes. Cascading option choices are available and work with inventory.
Show products variants in collection with "Add to cart"...
Provide proper product sizing to reduce refunds/support...
Add Custom Form Fields to Products and Checkout Extensions...
Show description of selected variant, add accordions/tabs,...