This pattern provides instructions for 5 different sizes, ranging from newborn to adult! Each size has seperate instructions, so there's no looking at stitch counts in parenthesis. Pattern is written for Worsted Weight yarn. The heart pattern is also included, although the hat can be made in masculine colors for boys too! This is a simple pattern that requires no special stitches. If at any time you have questions about the pattern, my email address is provided and I'm happy to help! While this pattern is copyrighted and cannot be resold, whether in part or in whole, please feel free to make and sell as many hats as you'd like online. (Please email me for information on selling products) BASIC SKILLS NECESSARY Know how to double crochet SIZING / FINISHED MEASUREMENTS 5 sizes from newborn to adult!