Choose from innovative, futuristic styles, to exotic Chinese inspired accessories, and more. The patterns range from snug to slouchy, so there's something for everyone. Designs include: cables, origami, aviator, and more. Each project calls for size 4 worsted weight yarn and a US size G-6, 4 millimeter, crochet hook. Includes step-by-step instructions for each design, as well as a general guide to crochet and 2 sizing options for each design. Finished hats fit head circumferences measuring between approximately 19" and 25". Easy skill level.