This pattern is for Adult Female Sizes ranging from size 6 to 9. These comfort booties are done using felt insoles which can be purchased in footwear stores, dollar stores, or in Etsy shops with the little holes already punched in. If you use shoe felt insoles, you will need a leather puncher to make tiny holes and a 2.5mm crochet hook to attach the yarn to the soles. Pictures and a very detailed explanation are in this pattern and you can research on youtube to have an idea on how to make plaid in the round (which are only double crochet stitches). This is not a beginner pattern, as it has the “Fishtail cable/braid” on the front You can dab some puff paint under the sole to make them less slippery and the felts will last a long time. They can be hand-washed, and air-dried, but please do not put them in a dryer. If you have any questions, please do not hesitate to contact me. Thank you for your purchase :)