Remove Size Upcharges in Bulk
1. Go to the Product Spreadsheet page on the left-hand menu
2. To update size upcharges on the whole store, click Store-Wide Actions in the upper right corner
3. Click Use Size Upcharges
4. Un-check the box if you want to remove all size upcharges from the store, then click Accept
5. To update product size upcharges on a select few items, check the boxes to the left of the product image, then click $ PRICING on the bottom
6. Click Use Size Upcharges