To enable this, create a smart collection named All Products and set the condition to 'Product price is greater than 0'. You can create a collection through the 'Collections' menu in Shopify admin. Or you can turn this section off through theme settings.
Thread/ thread collections or thread kits. Glide 1,000m - 30 colors in kit
White Super White Black Linen Cream Pearl Sand Mocha Khaki Light Tan
Wheat Tar Heel Sky Royal Raven Turf Cardinal Cotton Candy Candy Apple Pink
Honey Gold Marigold Lemon Ice Cool Grey 3 Warm Grey 4 Robin Egg Chocolate Bright Yellow Lilac Military Gold