Sell one product in every color and size

Your insoles come in 5 colors and 11 sizes. To sell them you made 55 products, typed 55 prices, and every price change meant editing all of them.
The enemy is one product record for every color and size.
A product's Variants tab now starts with what the buyer chooses. Add an option such as Color, type or paste its values, add Size the same way, and Create all combinations makes one variant per combination. Price for all sets the price of every own-price variant at once, and Fill empty codes builds each code from the product code and the values, such as NW-SLEEP-BLACK-S.

Each variant either has its own price (leave Price blank and it uses the product's) or sells another product you already have, the way 1, 3 and 6-bottle packs usually work. An own-price variant code works in buy links, the cart and checkout. The order line keeps the product code and adds the variant, so the order drawer, the export and your thank-you page show Color: Green, Size: M. Stock comes off that variant.
Know the limits. One order line is one variant, so a 3-pack in three different sizes is three lines. Each variant code must be unique in your project.
Try it: open Settings, Products, pick a product, open the Variants tab and click Add option.
Documentation