Hey,
How can I set up a product so that when a customer clicks on the product, they can choose between different sizes (e.g., SMALL/LARGE), and when they select a size, the product specifications (such as dimensions, weight, and heater compatibility) dynamically update to reflect the selected size?
Thank you 
Gerli
1 Like
@gerli111 Hope you are doing well
-
From your Shopify admin, go to Products.
-
Click the product that you want to edit.
-
In the Variants section, click + Add options like size or color.
-
In Option name field, enter a name for the option, such as Size. The option name is displayed to your customers.
-
In Option values section, enter each option value, such as Small, Medium, or Large. The option values are displayed to your customers when they select a variant.
-
Optional: To add another option to your variant, such as Color or Material, click + Add another option. You can have up to 3 options for each product.
Click Done, and then click Save.
Please refer to this URL for more details: https://help.shopify.com/en/manual/products/variants/add-variants
And feel free to ask if you have any doubts