How do I know what size to order? We Are Knitters April 07, 2016 09:19 Updated Follow Make sure your clothes you are perfect. Find your size in the size guide. And to knit ! Related articles How do I choose my product? How do I select the colors I want? Do the patterns have sizes? How many balls of yarn do I need to make a scarf or hat? I have a question about a pattern, what should I do?