Everything below is printed on the brand’s own product page. Fill it in, press the button, and paste the line into the catalogue. The garment then has a page, for you and for everyone after you.
Open the product page and find the size chart. You want the length for the size you would buy.
Find the model’s height. It is usually beside the size the model wears, in small type.
Copy the composition — the main fibre and the elastane percentage.
Fill the fields, press the button, paste the line into your spreadsheet.
Leave a field at zero where the brand publishes nothing. The reading simply omits whatever it does not have, and says so.