Hey @GeorgeKerr,  Does this work if the most recently added product was a duplicate of a product already in the cart?

Hey @TheThisThat, The accepted solution here didn't really seem to clear things up, so I did a little digging myself.This article states: We'll also use the block.shopify_attributes to add data attributes to the element. The theme editor's JavaScript...

Doesn't it need to be divided by 1000? 1kg = 1000g. {% assign cart_total_weight = cart.total_weight | divided_by: 1000 %}