SIZES FROM NEWBORN TO AGE 2 You will need a size 6.5mm crochet hook, and worsted weight yarn to make these. Very easy to make! Very cute to wear!! For ways to make non slip soles, see this link on my youtube channel: http://www.youtube.com/watch?v=mZ4QGoGaxsY My patterns are always written without abbreviations, and it's always ok to sell your finished slippers or booties when using my patterns. For more booties and slippers see this section in my shop: https://www.etsy.com/shop/Hectanooga?section_id=5823840 Thanks for visiting my shop, and have a great day.